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E.g., 03/26/2019
E.g., 03/26/2019
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  • Smilodon hunting
  • tiger
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Your search has returned 2190 articles:
  • Feature

    Saber-toothed cats were fierce and family-oriented

    The adolescent saber-toothed cat on a summertime hunt realized too late that she had made a terrible miscalculation. 

    Already the size of a modern-day tiger, with huge canine teeth, she had crept across grassy terrain to ambush a giant ground sloth bellowing in distress. Ready to pounce, the cat’s front paw sank into sticky ground. Pressing down with her other three paws to free herself...

    03/24/2019 - 06:00 Paleontology, Animals, Evolution
  • Reviews & Previews

    How a tiger transforms into a man-eater

    No Beast So FierceDane HuckelbridgeWilliam Morrow, $26.99

    At the heart of No Beast So Fierce is a simple and terrifying story: In the early 20th century, a tiger killed and ate more than 400 people in Nepal and northern India before being shot by legendary hunter Jim Corbett in 1907. Rather than just describe this harrowing tale, though, author Dane Huckelbridge seeks to explain how...

    03/19/2019 - 07:00 Animals, Conservation, History of Science
  • Introducing

    Meet India’s starry dwarf frog — a species with no close relatives

    A tiny new frog species discovered in tropical forests of southwest India has been one of a kind for millions of years.

    Palaniswamy Vijayakumar and his colleagues first spotted the new species one night in 2010 while surveying frogs and reptiles roughly 1,300 meters up in India’s Western Ghats mountain range. The frog hardly stood out — its brown back, orange belly and starlike spots...

    03/18/2019 - 10:00 Animals, Evolution
  • News

    Resurrecting woolly mammoth cells is hard to do

    Proteins from woolly mammoth cells frozen for 28,000 years in the Siberian tundra may still have some biological activity, claim researchers attempting to clone the extinct behemoths.

    Japanese scientists first extracted nuclei, the DNA-containing compartments of cells, from the muscles of a juvenile woolly mammoth called Yuka, discovered in 2010 in northeast Russia. The team then...

    03/18/2019 - 07:00 Genetics, Cells, Animals
  • Television

    ‘Epic Yellowstone’ captures the thriving ecosystem of the world-famous park

    “What you’re about to experience is Yellowstone as it’s rarely seen,” actor and Montana resident Bill Pullman says in the opening narration of a new documentary. Smithsonian Channel’s Epic Yellowstone, a four-part series that airs this month and will be available via several streaming services, puts Yellowstone National Park’s recovering ecosystem into the limelight. The park went nearly half...

    03/17/2019 - 07:00 Animals, Conservation, Ecology
  • Exhibit

    A new T. rex exhibit takes a deep dive into the iconic dinosaur

    Ultrafierce Tyrannosaurus rex is an icon. But the “tyrant lizard king,” which lived between 68 million and 66 million years ago, is just the youngest member of a family of dinosaurs that went back to about 167 million years ago. The earliest tyrannosaurs were quick and small. So how did T. rex become so big and bad?

    That’s one of the questions at the heart of “T. rex: The Ultimate...

    03/15/2019 - 07:00 Paleontology, Animals, Science & Society
  • News

    The first male bees spotted babysitting are mostly stepdads

    Scientists have discovered the first case of male bees babysitting, and it turns out that these males often aren’t biological bee dads but hopeful stepdads of the youngsters. 

    Females of a small bluish-black Mediterranean bee (Ceratina nigrolabiata) dig out the pith of plant stems to make a nest, where a mom lays her eggs. Unlike honeybees, these are solitary bees with no colony of...

    03/11/2019 - 15:01 Animals, Evolution
  • Reviews & Previews

    ‘Skeleton Keys’ unlocks the history and mysteries of bones

    Skeleton KeysBrian SwitekRiverhead Books, $26

    At this very moment, voracious cells are eating away at your bones. Not to worry, though — that’s just a normal part of bone maintenance in healthy adults. The formation of new bone cells balances out the removal of old bone cells. Although bone-making cells rev up when a bone breaks or disease sets in, eventually bone-eating cells kick...

    03/08/2019 - 06:00 Animals, Anthropology, Cells
  • News

    Bears that eat ‘junk food’ may hibernate less and age faster

    Mama bears may need to raise their snouts and join the chorus protesting junk food.

    The more sugary, highly processed foods that 30 female black bears scrounged from humans, the less time the bears were likely to spend hibernating, researchers found. In turn, bears that hibernated less tended to score worse on a test for aging at the cellular level, wildlife ecologist Rebecca Kirby and...

    03/04/2019 - 06:00 Animals, Physiology, Cells
  • News

    What spiders eating weird stuff tell us about complex Amazon food webs

    Rudolf von May has seen some pretty wild things in Peru’s Amazon rainforest. But this took things to a whole new level. There, caught on a team member’s cell phone video, was a giant tarantula, about the size of a dinner plate, weeble-wobbling through the leaf litter with the body of what was later identified as a mouse opossum hanging from its fangs.

    “It was very surprising, to some...

    02/28/2019 - 11:09 Animals, Ecology