Search Results for: Vertebrates
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1,505 results
- Health & Medicine
Smoking hurts teen girls’ bones
Adolescents who use cigarettes seem to accumulate less bone mineral than those who don’t.
- 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.
- Life
Blue-green algae release chemical suspected in some amphibian deformities
Retinoic acid levels high in waterways rich in cyanobacteria blooms.
- Paleontology
Earliest primate had tree-climber ankles
A creature known only from fossils of its teeth gets some more parts.
- Life
Hind wings gave four-winged dino flight control
Much-debated rear wings could have given Microraptor extra help in airborne maneuvers.
- Health & Medicine
The Human Brainome Project
Obama announces ambitious plan to develop new tools for exploring neural circuitry.
- Life
Dinosaur embryos were restless, speedy growers
Hundreds of fossils found in China suggest some unhatched dinos kicked their legs.
- Life
Ancestors of today’s placental mammals may never have shared the Earth with dinosaurs
A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction.
- Life
View to a cell
In 2013, Science News published a photo essay highlighting advances in microscopy that illuminate life within us, work that has now earned three researchers the 2014 Nobel Prize in chemistry.
- 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.
- Health & Medicine
Little Mind Benders
Parasites that sneak into the brain may alter your behavior and health.
- Earth
Gulf spill harmed small fish, studies indicate
Effects vary but dire impacts seen with some very low exposures.
