Search Results for: Vertebrates
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1,505 results
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Brain not required for antidepressant to act
In brewer’s yeast, the drug sertraline distorts membranes and triggers a self-cannibalizing process.
- Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
- Humans
Two feet or four, software is the same
All walking animals use the same basic nerve patterns to put one leg in front of the other(s).
- Life
Giant beavers had hidden vocal talents
With air passageways in its skull like no other animal known, an extinct outsized rodent may have made sound all its own.
- Paleontology
DNA suggests North American mammoth species interbred
Supposedly separate types may really have been one.
- Paleontology
T. rex has another fine, feathered cousin
A trio of fossils from China may tip the scales on dinosaurs’ public image.
- Life
Fossil pushes back land-animal debut
Creatures first squished mud through their five toes millions of years earlier than previously believed.
- Life
Woolly rhinos came down from the cold
Ice Age icons were already adapted to harsh climate, new fossils suggest.
- Life
Cilia control eating signal
Little hairlike appendages in brain cells control weight by sequestering an appetite hormone.
- Life
Hagfish may eat through their skin
The odd dining habits of carrion-eating protovertebrates may be relevant to the evolutionary transition to land.
- Animals
Face Smarts
Macaques, sheep and even wasps may join people as masters at facial recognition.
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