Search Results for: Vertebrates
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1,505 results
- Anthropology
Evolutionary Back Story: Thoroughly modern spine supported human ancestor
Bones from a spinal column discovered at a nearly 1.8-million-year-old site support the controversial possibility that ancient human ancestors spoke to one another.
- Animals
Can You Hear Me Now? Frogs in roaring streams use ultrasonic calls
A small frog living beside Chinese hot springs may be the first amphibian known to use ultrasound in its calls.
- Animals
Proxy Vampire: Spider eats blood by catching mosquitoes
Researchers studying food preferences among spiders report finding the first one with a taste for vertebrate blood.
- Paleontology
Big bird terrorized South America
Researchers in Argentina have discovered fossils that may represent the heftiest flightless bird to ever have roamed the planet.
- Paleontology
Tusk analyses suggest weaning took years
Changes in the proportions of various chemical isotopes deposited in mammoth tusks as they grew have enabled scientists to estimate how long it took juvenile mammoths to become fully weaned.
- Paleontology
Mmmm, that’s crunchy
Isotopic analyses of the teeth of otters and mongooses from Africa have led one paleontologist to suggest that some of humanity's ancient kin shared those modern animals' preference for shelled prey such as freshwater crabs and snails.
- Paleontology
Ancestor of Kings: Early progenitor of T. rex had a crest
Paleontologists have unearthed remains of the oldest known dinosaur of the tyrannosaur clan.
- Animals
Wing Ding: Bird rubs feathers for cricketlike song
Scientists say that they have found the first vertebrate to make its courtship music in the same way as a cricket does.
- Chemistry
Whiff Weapon: Pheromone might control invasive sea lampreys
Researchers have characterized the primary components of the migratory pheromone that guides sea lampreys to suitable spawning areas.
- Animals
Built for Blurs: Jellyfish have great eyes that can’t focus
Eight of a box jellyfish's eyes have superb lenses, but their structure prevents them from focusing sharply.
- Paleontology
Bone Hunt
Science News reporter Sid Perkins recounts the trials and tribulations of digging for dinosaurs in central Montana.
- Paleontology
Caribbean Extinctions: Climate change probably wasn’t the culprit
Remains of extinct sloths unearthed in Cuba and Haiti indicate that the creatures persisted in Caribbean enclaves until about 4,200 years ago, a finding that almost absolves climate change following the last ice age as a cause for the die-offs.
