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Operating as usual
We love that Wonder Woman and the Cheetah both have day jobs as natural history scientists. So we can’t end the day without giving a shoutout to our very own #WonderWomenOfSTEM 🦸🏻♀️🦸🏼♀️🦸🏽♀️🦸🏾♀️
This photo was taken on International Women's Day 2019 and we miss taking group photos like this! Looking forward to the day that we're all together again. #WonderWoman1984
Gemologist Barbara Ann Minerva (Kristen Wiig) appears to be mesmerized by what she sees in our Mammal Hall. Explore our halls from the comfort of your home with a virtual tour and experience wonder. #WonderWoman1984
http://s.si.edu/experiencewonder
Photo by Clay Enos, courtesy of Warner Brothers
#DidYouKnow that a portion of Wonder Woman 1984 was filmed at the Smithsonian's National Museum of Natural History? Check out Henry—our beloved elephant—getting ready for his closeup. Doesn’t he look fantastic!? #WonderWoman1984
Photo by Clay Enos, courtesy of Warner Brothers
Winter officially begins today, and cold-weather fanatics are hoping for ❄️ snow. But snowfall brings more than wintry fun. This beautiful weather event gives scientists the chance to examine a fascinating substance with unique properties.❄️ #WinterSolstice #FirstDayOfWinter Smithsonian Institution Archives
Mineralogists study snowflakes to learn more about how water in its solid phase behaves.
If you aren't a fan of the winter months you probably wouldn't be comfortable on Mars, where the average temperature is -80 F! 🥶
Like many cold-weather locations on Earth, Mars contains glaciers that formed by snow piling up over time to form ice. The crater in the image above contains an ancient glacier that is now inactive and has become covered in rocky debris. But hundreds of millions of years ago when the glacier formed, ice accumulated on the crater rim and flowed downslope, partly filling the crater.
If you look closely, you can still see the ridges and grooves that formed from flowing ice.
Planetary Scientist Dr. Erica Jawin studied this crater, along with hundreds of other glaciated martian craters, to understand how ancient glaciers responded to a changing martian climate.
Image: NASA/JPL/UArizona
The Jurassic seas provided plenty of food for marine reptiles like Rhomaleosaurus, but also posed challenges. Animals that had evolved for life on land now had to move in water and get to the surface to breathe. #DeepTime #FossilFriday
On this day in 1903, the Wright brothers achieved the unthinkable -- FLIGHT! ✈️ Check out this Smithsonian Magazine article to learn how ten million years of bird evolution and thousands of years of bird observations 🔍 are to thank for human-powered flight.
The path to flight in modern birds was full of forks, twists and dead ends.
These three bird calls by Smithsonian's National Museum of Natural History researcher Peri Bolton helped inspire a collaboration with Smithsonian ornithologists, Kronos Quartet , and San Francisco Girls Chorus. On Sunday, Dec 20 at 3pm PST watch the world premiere of Music of the Birds, by composer Sahba Aminikia.
Register for the free performance here: https://www.sfgirlschorus.org/performances/island-holiday
A thick layer of blubber keeps walruses warm in the Arctic. Both male and female walruses have strong long tusks that they use to help pull themselves out of the water. They can also use their tusks to break through ice to create breathing holes.
Walruses forage on the seafloor, diving to depths up to 180 meters (590 feet) for clams, cockles, and mussels. They use highly sensitive whiskers on their snouts to locate food. Then they dig out their prey using the tough edges of their noses, similar to how pigs root around in dirt and grass.
The Inupiaq people of Alaska have more than 100 words for different kinds of sea ice, some illustrated here. A female walrus and her calf (isavgalik) rest on ice (nunavait) in the midst of scattered pack ice (tamalaaniqtuaq), interspersed with patches of calm flat water (quuniq). The mass of floating pack ice (sigu) consists of various types of ice, such as large floes (puktaaq), vertical blocks of ice (puikaaniq), ice floes with overhanging shelves (quaŋiłlaq), large pieces of darker ice (taagluk), and small floating pieces of dirt ice (saŋałait).
(From: “Kinikmi Sigum Qanuq Ilitaavut” or “Wales Inupiaq Sea Ice Dictionary” by Winton Weypuk and Igor Krupnik.)
What makes sea angels a snail worthy of distinction? Our friends The Ocean Portal have the answer!
Article Angels of the Sea This is a tree topper unlike any other! Reminiscent of a freshly made snow angel, these pteropods are actually shell-less sea snails (Clione limacina). Unlike the typical snail, they flap their adapted foot ‘wings’ to get around in the water column. They are extremely s...
The ability to work with ancient DNA breathes new life into old samples, whether from field sites or museum collections. Scientists recently sequenced the genomes of 2,000-year-old corn to learn about the history of this staple crop and the communities that relied on it. The research team—co-led by Smithsonian curator of archaeogenomics and archaeobotany Logan Kistler—published its findings today in the Proceedings of the National Academy of Sciences.
New study shows how extracting whole genomes from ancient material opens the door for new research questions and breathes new life into old samples.
From tiny talapoins to big baboons, the shape of monkey skulls is related to body size, diet, and behavior. 3D scans are an essential (and awesome!) tool that scientists use to quantify differences in skull shape - you can view and download them too at 3d.si.edu! #MonkeyDay
Colorful and elaborate facial fur helps New World monkeys recognize members of their own species. We think it also makes them look pretty stylish. You can find these and other great monkey "hairdos" in the @BioDivLibrary collections: https://s.si.edu/monkeyday
Male Mandrills are the largest and most strikingly colored monkeys in the world. These forest-dwelling monkeys travel in large troops that can top 800 individuals. #MonkeyDay
Learn more about these monkeys in this video from our Skin & Bones App: https://www.youtube.com/watch?v=ZEcCy_NtaJg&feature=emb_logo
Male Mandrills are the largest and most strikingly colored monkeys in the world. These forest dwelling monkeys travel in large troops that can top 800 indivi...
My, what big teeth you have! In the complex societies of baboons, the length of a male’s sharp canine teeth helps determine his dominance rank when he’s near the top of the troop. Fighting among males can be fierce enough to blunt or break these teeth. #MonkeyDay
**THIS PROGRAM WILL BE PRESENTED ENTIRELY IN SPANISH**
¡Acompáñanos al programa familiar en español: "Los cangrejos violinistas de Panamá" hoy, a las 2:00pm ET y explora las adaptaciones de estos animales mientras también creamos una pinza gigante para comunicarnos como ellos! https://naturalhistory.si.edu/events/historia-natural-en-casa-los-cangrejos-violinistas-de-panama
La exploración de la historia natural no solo tiene que suceder en el museo, ¡también puede ocurrir en tu hogar! Acompaña a los educadores del museo mientras guían a tu familia a través de actividades de desarrollo de habilidades científicas, leen libros de ciencia y naturaleza e introducen f...
Today marks the seventh anniversary of Q?rius, The Coralyn W. Whitney Science Education Center.
Q?rius (pronounced "curious") is an interactive and experimental learning space that brings the unique assets of the Smithsonian's National Museum of Natural History — the science, researchers, and collections — out from behind the scenes. Visitors can use microscopes, handle some of the 6,000 collection objects, solve science puzzles, do touchscreen activities, and even meet a scientist. In Q?rius and the Q?rius jr. area, visitors can unleash their curiosity with surprising results.
Although its physical location is currently closed due to COVID-19, you can watch 50 episodes of "Smithsonian Science How," which were filmed in Q?rius, here: https://s.si.edu/sevenyears
You’re not seeing double—Stockoceros really does have two double horns. It was related to pronghorns, which are the only living members of the once-diverse antilocaprid family. More closely related to giraffes than to antelopes, antilocaprids have permanent horns but shed the horny covering each year. Many species roamed throughout western North America from the Miocene through the Quaternary ice ages. #DeepTime #FossilFriday
Winter is nearly upon us. From plants in fuzzy "coats" to fish with antifreeze proteins, these seven species have unique ways of adapting to the cold.
Check out these unexpected adaptations to extreme cold.
A storm brings a close to archaeological fieldwork at Mistinibi on the border between Quebec and northern Labrador. Life goes on inside an Innu tent as story-telling, dreams, and memories replace –and supplement—archaeological fieldwork.
Mistinibi, northern Quebec, 2014. An Arctic Studies Center snapshot, shared by archaeologist Stephen Loring.
Fossil lovers rejoice! Today we're sharing the addition of two fossil AR filters that you can share via #Instagram. Take the life-size woolly mammoth to the park, the classroom, or perhaps shrink it down to fit in the palm of your hand. For our dino lovers, you can choose the Triceratops. The skeleton is posed lying dead on its side, as it might appear to a passing scavenger in search of a meal.
To access these effects on your mobile device, visit our profile on Instagram and tap on the Effect tab. Then select the effect you want to try. Want more? These fossil filters are part of a larger set of 10 Smithsonian artifacts unveiled today. Check out @Smithsonian to explore all 10. #ARtifactsAnywhere
Although this photo was taken pre-COVID-19 many of us can relate to this lone bull caribou as fall becomes winter. Hang in there everyone!
Border Beacon, near Kamestastin, northern Labrador.
An Arctic Studies Center snapshot, shared by archaeologist Stephen Loring.
You might title this photo, "Waiting for the caribou." Snow can come early in northern Labrador. While researching ancestral Innu land-tenure, a joint Smithsonian-Tshikapisk Foundation cultural heritage project is stymied by the fall of snow that covers most traces of previous occupations.
Caribou crossing place on the Kamestastin River, northern Labrador, October 2006.
An Arctic Studies Center snapshot, shared by archaeologist Stephen Loring.
An international team of scientists discovered a new type of snake in northern Vietnam. The species belongs to a rare group of burrowing #snakes that could help scientists piece together new information about evolution.
“When you see these species descriptions come out, they seem like a very small piece of the puzzle. But when everyone’s working on these smaller projects, it facilitates big, macro-evolutionary studies about the evolution of life,” says lead author Aryeh Miller, a research fellow at the Smithsonian’s National Museum of Natural History and a graduate student at Washington University in St Louis.
Read more at https://s.si.edu/nmnhsnake
Photo credit American Society of Ichthyologists and Herpetologists (ASIH)
The barrengrounds of northern Labrador (Nitassinan) is the ancestral homeland of the George River caribou herd and the Innu whose lives are inextricably linked. As the day’s shorten and the first snows appear the caribou congregate and begin to move to their wintering grounds. Formerly Innu families would gather at river crossings and lake narrows to intercept the migration and secure the necessities (skins for shelter and clothing, meat and fat for sustenance) for surviving the approaching winter weather.
Kamestastin, northern Labrador, 2006.
📸: Stephen Loring, Archaeologist (Arctic Studies Center)
Soils are crucial to our everyday lives, storing carbon, filtering water, growing plants, and so much more. Discover a whole new world beneath your feet with this free, print-on-demand DIY exhibit: Dig It! The Secrets of Soil.
Visit our website to find out how you can adapt the show to fit your school, community center, library, coffee shop or other venue and help your audience:
• Decipher a soil’s layers to learn what it’s made of and how it formed.
• Meet the many kinds of microbes that live in soil, and discover their hidden talents.
• Get Soil Savvy and learn what people are doing in farms and cities to improve the soils we rely on for food, fun, and human health.
The exhibit is made with support from the Soil Science Society of America.
#TheMoreYouKnow #WorldSoilDay #DidYouKnow
https://s.si.edu/worldsoilday
Over most of Earth’s 🌎 land lies a thin layer of soil—a complex and variable mixture of minerals, air, water, decaying remains of life, and countless living organisms.
Earth’s “skin” is not one soil, but many soils—each with its own story. Tens of thousands of different soils cover the continents.
Without soils, life would not exist as we know it.
Soils are alive: they are born, they age, they breathe, and are constantly created and lost. Soils sustain life on Earth and are crucial to our everyday lives, storing carbon, filtering water, growing plants, and so much more. #WorldSoilDay
https://s.si.edu/worldsoilday
Years ago fur traders nearly hunted otters into extinction. Now, archeologists are filling in their historical record with an eye towards reintroducing the kelp-forest-dweller to Oregon's coast. #WildlifeConservationDay
The sea mammals vanished from Oregon’s coast long ago, but a technique from human archaeology offers a clue to restoring them.
When Smithsonian zoologist Mike Braun helped discover a previously unknown pocket of Red Siskin birds (Spinus cucullatus) in Guyana, it kicked off an effort to save the entire species. Celebrate #WildlifeConservationDay, by exploring the Red Siskin Initiative, a collaboration between Smithsonian scientists, and international and local partners.
https://s.si.edu/redsiskin
Photo: South Rupununi Conservation Society
Martha the Passenger Pigeon is one of the Smithsonian’s greatest treasures. In life, Martha lived at the Cincinnati Zoo where she was visited by long lines of people eager to get a glimpse of the last living individual of her species. Martha died in 1914 and the Passenger Pigeon became extinct.
Only decades earlier, her species had been widespread and abundant in North America but was heavily hunted for food. The Smithsonian’s taxidermy mount made from Martha’s remains illustrates how important conservation is and reminds us that even widespread and abundant North American species can become extinct. #WildlifeConservationDay #ObjectsOfWonder
📸 Smithsonian Institution Archives
It's time for another edition of "Meet a SI-entist" and today we're introducing you to smithsoniannmnh's newest paleobiology curator, Dr. Stewart Edie.
#MeetaSIentist #Science #Paleobiology #Paleontology
Learn what the ancient history of these sea creatures could tell us about biodiversity on ancient and modern Earth.
The symbol of the Arctic is often the polar bear (Ursus maritimus), the pole's cute yet fearsome top predator. These large marine mammals, who move easily between ice, water and land, are part of the diverse fauna of the Arctic Ocean.
Check out how this polar bear was displayed in the 1880's at the Mammals exhibit in the United States National Museum, now known as the Arts and Industries Building.
Today, the polar bear is classified by the IUCN Red List as vulnerable, with the "loss of Arctic sea ice due to climate change" as "the most serious threat to polar bears throughout their circumpolar range." #tbt
Smithsonian Institution Archives, Acc. 11-007, Box 026, Image No. MNH-5119
Take a virtual tour today: https://s.si.edu/deeptime
Snowflake or diatom? You decide. ❄️
(But really it is a diatom called Aulacodiscus gracilis. If you presently see these floating around you, we hope you're wearing a wetsuit.)
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These three bird calls by Smithsonian's National Museum of Natural History researcher Peri Bolton helped inspire a collaboration with Smithsonian ornithologists, Kronos Quartet , and San Francisco Girls Chorus. On Sunday, Dec 20 at 3pm PST watch the world premiere of Music of the Birds, by composer Sahba Aminikia. Register for the free performance here: https://www.sfgirlschorus.org/performances/island-holiday
Draw a dinosaur in 2 minutes with Paleoartists Bob Walters & Tess Kissinger! Carnotaurus (the name means “meat-eating bull”) was 25-feet-long and lived 70 million years ago in what is now Argentina. Get more dinosaur-drawing videos at https://NaturalHistory.si.edu/Families. #FossilFest
"Here, you can see the Pallid bat (Antrozous pallidus) munching away on a scorpion! They are not affected by scorpion stings like we are, instead these creepy crawlies are a tasty snack! If you want to encourage bats to eat the insects in your backyard, consider putting up a bat house! You can find amazing instructions at Bat Conservation International’s website here: http://s.si.edu/bats" - Kelly Speer, Biodiversity Genomics Fellow @smithsoniannmnh and @smithsonianzoo #BatWeek 🦇 #BatAppreciation #Bats #Halloween 📸 credit: Winifred Frick
"As a bat biologist, I have had the immense fortune to visit places around the world to study these mysterious flying mammals. By the end of this week, I hope you’ll have learned something new about bats, making them a little better understood and maybe even a little more appreciated! So stay tuned for some amazing stories about these flying wonders! To get us started, here is a video of free-tailed bats leaving their cave near a Buddhist temple in Thailand!” - Kelly Speer, Biodiversity Genomics Fellow @smithsoniannmnh and @smithsonianzoo
Sew, have you ever wondered how Botanists attach cactus specimens to herbarium sheets? This year many people have discovered their hidden sewing skills. Our volunteers put those talents to use in a different way by sewing dried cacti onto archival paper. This is how the volunteers in the Department of Botany, attach cacti and bulky specimens to a herbarium sheet.
#NatureIsBrutal #NatureIsExcellent Some ladybird beetle larvae are notorious for snipping a tip of their prey’s antennae or legs and using them as "straws" to drink their prey alive. In this video, a larva from the genus Scymnus is feeding on an aphid by repeatedly sucking its contents and regurgitating them; this mechanism allows the beetle larva to get as much nourishment as it can from the aphid. Museum communications intern Miguel Montalvo captured this #MicroWonders horror scene in his own backyard! What's happening in yours?
In the final "Dr. Is In" episode of the season, @Smithsonian geologist Dr. Liz Cottrell answers your questions about new technologies for studying volcanoes; her favorite geology #DIY demo for teachers; and how to identify rocks.
One final #ReasonsToLoveSnakes: “The vast majority of snakes are small and harmless. Although there are giant snakes, like anacondas and some pythons, most snake species never get any longer than 24 inches. Also less than 10% of all snake species are venomous to humans. The red-bellied snake (Storeria occipitomaculata), shown here, is a small secretive snake found throughout much of the eastern U.S. A “giant” red-bellied snake would be 16 inches; most are ~9-10 inches in length. They give birth to live young, which are ~3 inches long!” – Ed Myers, Peter Buck Postdoctoral Fellow @smithsoniannmnh #NatureNerding101
Which U.S. state is the best for finding rocks? What TP alternatives can you find in nature? And what do volcanic gases tell us about eruptions? Smithsonian geologist Dr. Liz Cottrell answers these audience questions in Episode 5 of The Dr. Is In! #GeologyRocks
“Your support is critical to everything we do.” Hear from Smithsonian Secretary Lonnie G. Bunch III, on why our ability to reach people everywhere is only possible with your help. #SupportYourSmithsonian go.si.edu/SupportYourNMNH
Smithsonian Dr. Liz Cottrell is “in” and here to show you how geologists “travel” to the center of the Earth. She then hops off Zoom to take you to the Blue Ridge Mountains to explore some of her favorite rocks. Post your questions about geology, everyday life challenges, or how to survive off the grid and Liz will try to answer them in upcoming episodes of The Dr. Is In! (Fun fact: 350 giga pascals of pressure at Earth’s center = 10,000 times the average pressure at the bottom of the ocean!)
#DYK the origins of Africa’s Grevy’s zebra can actually be traced back 2.5 million years ago to North America? Dr. Advait Jukar tells this #FossilFriday story.
Smithsonian paleontologist Scott Evans explains that even an imperfect fossil can unlock a wealth of information. #FossilFriday
For #FossilFriday we're sharing the work of three of our paleo postdoctoral fellows. First up: Dr. Vera Korasidis, a palynologist who explores how we use fossil plants to understand how Earth's climate has changed in different places over time! Visit https://www.si.edu/cares to find more ways to engage with the Smithsonian online.
This week, Smithsonian geologist Dr. Liz Cottrell talks about a 🌋 that spews relatively cold (only ~510 °C / 950 °F!!!), black lava; what would happen if Earth’s molten outer core solidified; and how to start a career in science. Post your questions about geology, everyday life challenges, or how to survive off the grid and Liz will try to answer them in upcoming episodes of The Dr. Is In!
The Dr. Is In! Smithsonian geologist Liz Cottrell stands ready to answer your❓s about the deep Earth, 🌋🌋, and how to survive off the grid. She can even offer life advice. Watch episode 2 and post your questions in the comments. She’ll answer as many of them as she can in upcoming episodes. Ask away!
Looking for a fun, #DIY activity for the whole family? Watch this #NatureNerding101 video from the Botany Department at the Smithsonian National Museum of Natural History. This team of scientific green thumbs curates and preserves over 5 million specimens in the U.S. National Herbarium, so they know a thing or two about how to make your flowers last (and last and last).
“Plants in the orchid family (Orchidaceae) fascinate me for countless reasons including, as Charles Darwin once put it, the ‘various contrivances’ by which they are fertilized by insects. Pollination of few other plants is quite as dramatic as members of the orchid genus, Catasetum, . They have evolved a ‘“trigger/catapult’” mechanism for insuring their pollen securely attaches to visiting orchid bees.” – Benjamin J. Crain, Smithsonian Environmental Research Center and the North American Orchid Conservation Center #NatureNerding101
In the season premiere of “The Dr. Is In,” Smithsonian Geologist Liz Cottrell fields your inquiries about super volcanoes (specifically Yellowstone!) and skunks. In addition to being an expert on the deep Earth and volcanoes, Cottrell is a huge outdoor enthusiast: the more minimal the conditions, the better. So, post your questions about what’s lurking waaaaaaaaayyyy beneath your feet or how to live off the grid and she’ll do her best to answer them in upcoming episodes. She can even give life advice. Just post your queries in the comments! New episodes will be published every other Saturday through July 25.
And we have our final offering for the #SpeakBird challenge. Ingrid Rochon may work in the Division of Mammals @smithsoniannmnh, but she does a solid Red-breasted Nuthatch (Sitta canadensis) call in a pinch!
Listen to Chris Milensky from our Division of Birds #SpeakBird. If you guessed Eastern Screech-Owl (Megascops asio), you are correct. This is a fairly common backyard bird, most people just don't know it due to the relatively quiet call. In the U.S., they are found in every state east of the Rockies. They will eat large insects, small mammals and birds, and have been even known to eat earthworms.
Here's Smithsonian's National Museum of Natural History's Sarah Luttrell doing her #SpeakBird impression of a Northern Cardinal (Cardinalis cardinalis). It's the state bird of Ohio—Sarah's home state!—and can be found throughout the eastern U.S. in a variety of habitats from woodlands to suburban back yards. It's not too late for you to join the #SpeakBird challenge. Just record a video of your best bird call, post it and add the hashtag (please tag us too if you want to be sure we see it).
Ornithologist Peri Bolton can #SpeakBird, and gives us three of the Aussie species she misses. The Sulphur-Crested Cockatoo (Cacatua galerita) and the Australian Magpie (Gymnorhina tibicen) are easy to spot in urban areas, but you’ll have to keep an eye and ear out for the camouflaged and nocturnal Tawny Frogmouth (Podargus strigoides).
This is the “Drink-your-tea-he-he-he"-song of the Eastern Towhee (Pipilo erythrophthalmus). Faridah Dahlan of our Feather Identification Lab sent us this #SpeakBird call, while wearing her PPE and continuing the museum's essential work of identifying the birds that strike airplanes (Thank you Faridah!). Do you #SpeakBird? Take a video, use the hashtag, and let everyone know which 🐦 you are imitating.
Here's @SmithsonianNMNH ornithologist Sahas Barve, doing their best call of an Acorn woodpecker (Melanerpes formicivorus), which lives from Oregon down to Colombia and can be heard in oak-dominated habitats. #SpeakBird Background image: Andy Reago and Chrissy McClarren Do you #SpeakBird? Take a video, use the hashtag, and let everyone know which 🐦 you are imitating.
We're challenging all you bird-nerds out there to #SpeakBird this week. Smithsonian ornithologist Carla Dove (yes, 🕊️) starts us out with the Barred Owl (Strix varia). Its distinctive call sounds like, “Who Cooks For You, Who Cooks For You…All.” The Barred Owl is native to eastern North America, but considered invasive in the west coast. You can see and hear it in suburban areas that have forests nearby. This large owl has dark brown eyes, as opposed to yellow of the similar Great Horned Owl. Do you #SpeakBird? Take a video, use the hashtag, and let everyone know which species you are imitating.
"This video is of the play of color of an opal with digit patterns from Welo, Ethiopia. This is an example of opal-CT. 'CT' stands for the cristobalite and tridymite SiO₂ minerals that make up the spheres in opal-CT. I hope it brightens your #MineralMonday!" -- Dr. Gabriela Farfan, Coralyn W. Whitney Curator of Gems and Minerals Smithsonian's National Museum of Natural History
Smithsonian Geologist Liz Cottrell wants to answer your questions about volcanoes, camping, and life!
Our friends Smithsonian 3D Digitization, working with the Tlingit Kiks.ádi clan of Sitka, Alaska and the Smithsonian NMNH Repatriation Office, just published a 3D rendering of an object that has been in our collections for the past 135 years. It's a ceremonial hat of the Kiks.ádi clan in the form of a sculpin or bullhead fish. There's a lot more to the story, some of which we'll share tomorrow, but it's one of the first cultural restorations of an important religious object for an indigenous community using 3D digitization and replication technology. You can explore the hat and its story online through the Smithsonian's 3D Explorer. https://3d.si.edu/explorer/kiks-%C3%A1di-sculpin-hat-restoration?fbclid=IwAR1j33CFC0u0H9FM-gKw_gJwNrKgG5V4kXRVZHk2ebzn9h1XKA892qvHISE
It's #AskACuratorDay, so we're bringing back the Dr. Is In! Hear Dr. Hans Sues answer some burning questions from fans like you (and Slash) about dinosaurs, life, and even cats (because he loves cats 🐱)!
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