Search Results for: Vertebrates
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1,545 results
1,545 results for: Vertebrates
- Paleontology
Hunting fossils in England
On Monmouth Beach, just west of the center of Lyme Regis, amateur and professional collectors have been making discoveries for more than two centuries.
- Paleontology
Feathered fossil still stirs debate
More than 2 years after scientists first described 120-million-year-old fossils of a feathered animal, a new analysis seems to bolster the view that the turkey-size species was a bird has-been and not a bird wanna-be.
- Animals
Toothy valves control crocodile hearts
The odd cog teeth of the crocodile heart may be the first cardiac valve known to control blood flow actively.
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Consciousness in the Raw
Observations of children born without most of the brain's outer layer, or cortex, and evidence from animal studies suggest that a basic form of consciousness may arise from the brain stem alone.
- Ecosystems
Tortoise Genes and Island Beings
Geneticists and conservation biologists are joining forces to untangle the evolutionary history of giant Galápagos tortoises and to safeguard the animals' future.
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
- Health & Medicine
A Different Side of Estrogen
Understanding estrogen's function is complicated by the fact that it can bind to two distinct receptors; scientists studying the second receptor now think that drugs targeting it could help a wide variety of ailments.
- Archaeology
La Brea del Sur
Excavations at tar pits in Venezuela suggest that the fossils found there may rival those of the famed Rancho La Brea tar pits in Southern California.
- Paleontology
Twice upon a Time
New fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages.
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All in the Family
Contrary to popular belief, species of salamanders, birds, beetles and fish prefer to mate with close kin.
- Health & Medicine
The Colorful World of Synesthesia
Science News for Kids explores the sensory explosion that defines the experience of people with this unusual, but not that uncommon nor unwelcome, condition.
- Animals
Built for Speed
Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.
