Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
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- Life
Hind wings gave four-winged dino flight control
Much-debated rear wings could have given Microraptor extra help in airborne maneuvers.
- Paleontology
Earliest primate had tree-climber ankles
A creature known only from fossils of its teeth gets some more parts.
- Life
Rainforest katydids evolved mammal-like ears
Tiny hearing organs below insect’s knees have a structure similar to those in humans.
- Earth
Gulf spill harmed small fish, studies indicate
Effects vary but dire impacts seen with some very low exposures.
- Health & Medicine
Smoking hurts teen girls’ bones
Adolescents who use cigarettes seem to accumulate less bone mineral than those who don’t.
- 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
Cilia control eating signal
Little hairlike appendages in brain cells control weight by sequestering an appetite hormone.
- Life
Walking may have had wet start
Based on the way that primitive lungfish use their fins to move along tank bottoms, researchers argue for an underwater start to four-legged locomotion.
- Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
- Life
Old-fashioned fish regrow fins
Fish on an ancient line can regenerate lost limbs with newt-like flair, suggesting that ability was shared among ancient ancestors.
