Search Results for: Vertebrates
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1,541 results
1,541 results for: Vertebrates
- Animals
Stalking Larvae: How an ancient sea creature grows up
Scientists have finally observed living larvae of a sea lily, an ancient marine invertebrate related to starfish.
- Health & Medicine
Protein protects rat brains from strokes
Neuroglobin, a protein related to hemoglobin, may protect the brain during strokes.
- Ecosystems
Why didn’t the beetle cross the road?
Beetle populations confined to specific forest areas by roads seem to have lost some of their genetic diversity.
- Anthropology
Monkey Business
They're pugnacious and clever, and they have complex social lives—but do capuchin monkeys actually exhibit cultural behaviors?
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When to Change Sex
A research team contends that animals that routinely change sex, even those prompted by mate loss or other social cues, tend to do so when they reach 72 percent of their maximum size.
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Visionary Research
Scientists are debating why primates evolved full color vision and whether that development led to a reduced sense of smell.
- Earth
A Dam Shame? Project may slam China’s biodiversity
When the Three Gorges Dam begins to impound the waters of the Yangtze River in China later this year, dozens of mountains and other elevated areas upstream will become islands—an outcome that will probably devastate the rich diversity of species now living along the river.
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Sea squirt’s DNA makes a splash
The DNA sequence of a sea squirt may reveal the origins of vertebrates.
- 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.
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Do oxpeckers help or mostly just freeload?
A textbook example of mutualism—birds that ride around picking ticks off big African mammals—may not be mutually beneficial at all.
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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
- Animals
Sibling Desperado: Doomed booby chick turns relentlessly violent
The first known case among nonhuman vertebrates of so-called desperado aggression—relentless attacks against an overwhelming force—may come from the underling chick in nests of brown boobies.
