Search Results for: Vertebrate
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1,504 results
- Health & Medicine
For 50 years, CT scans have saved lives, revealed beauty and more
In 1971, the first CT scan of a patient laid bare the human brain. That was just the beginning of a whole new way to view human anatomy.
- Life
Monitor lizards’ huge burrow systems can shelter hundreds of small animals
Two species of Australian monitor lizards dig nests four meters deep. Now scientists reveal that the burrows are home to far more than their creators.
- Humans
Neandertal DNA from cave mud shows two waves of migration across Eurasia
Genetic material left behind in sediments reveals new details about how ancient humans once spread across the continent.
- Animals
Clearing land to feed a growing human population will threaten thousands of species
Changing where, how and what food is grown could largely avoid biodiversity losses, scientists say.
- Ecosystems
Wild donkeys and horses engineer water holes that help other species
Dozens of animals and even some plants in the American Southwest take advantage of water-filled holes dug by these nonnative equids.
- Animals
A surprisingly tiny ancient sea monster lurked in shallow waters
Scientists have found a new species of marine reptiles called nothosaurs from around 240 million years ago.
- Animals
An immune system quirk may help anglerfish fuse with mates during sex
Deep-sea anglerfish that fuse to mate lack genes involved in the body’s response against pathogens or foreign tissue.
- Animals
A toxin behind mysterious eagle die-offs may have finally been found
A 20-year study of water weeds and cyanobacteria in the southern United States pinpoints a bird-killing toxin, and it's not your usual suspect.
- Paleontology
This ancient sea reptile had a slicing bite like no other
Right up until 66 million years ago, the sea was a teeming evolutionary laboratory with a small, agile, razor-toothed mosasaur patrolling the waters.
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- Animals
A sea slug’s detached head can crawl around and grow a whole new body
Chopped-up planarians regrow whole bodies from bits and pieces. But a sea slug head can regrow fancier organs such as hearts.
