Search Results for: Vertebrates
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1,505 results
- Life
Sleeping glass frogs hide by storing most of their blood in their liver
Glass frogs snoozing among leaves blend in by hiding almost all their red blood cells in their liver until the tiny animals wake up.
- Paleontology
Mammal ancestors’ shrinking inner ears may reveal when warm-bloodedness arose
An abrupt shift in inner ear shape of mammal ancestors 233 million years ago, during a time of climate swings, points to evolution of warm-bloodedness.
- Animals
A ‘fire wolf’ fish could expand what we know about one unusual deep-sea ecosystem
Unlike other known methane seeps, Jacó Scar is slightly warmer than the surrounding water and is a home for both cold-loving and heat-loving organisms.
- Animals
Here’s why pumpkin toadlets are such clumsy jumpers
Tiny Brachycephalus frogs from southern Brazil can leap into the air but have trouble landing.
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- Animals
Fish can recognize themselves in photos, further evidence they may be self-aware
Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.
- Physics
How neutron imaging uncovers hidden secrets of fossils and artifacts
The technique can complement X-ray scanning and other tools to uncover details of dinosaur fossils, mummies and more.
- Paleontology
The Age of Dinosaurs may have ended in springtime
Fossilized fish bones suggest that the massive asteroid strike at the end of the Cretaceous Period occurred during the Northern Hemisphere’s spring.
- Animals
Scientists thought snakes didn’t have clitorises. They were wrong
Snakes were long thought to be the only reptile group to lack clitorises. But new findings suggest the sex organs are present after all.
- Paleontology
Mysterious ichthyosaur graveyard may have been a breeding ground
Some 230 million years ago, massive dolphinlike reptiles gathered to breed in safe waters — just like many modern whales do, a study finds.
- Animals
‘Wonderful nets’ of blood vessels protect dolphin and whale brains during dives
Complex networks of blood vessels called retia mirabilia that are associated with cetaceans’ brains and spines have long been a mystery.
