Search Results for: Vertebrates
Skip to results
1,512 results
- Paleontology
Dinosaur neck size reaches new extreme
Scientists have unearthed remains of a massive, plant-eating dinosaur whose neck may have been twice as long as its body.
-
Vertebrates, insects share the stress
A key protein involved in animals' physiological responses to stress has carried out the same function since before any organism developed a backbone.
- Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
- Health & Medicine
Now Hear This
Genetics research, work with stem cells, and studies of the inner ear's delicate architecture suggest that it might be possible to restore cells pivotal to hearing.
-
Blood Sucker: Like the adult heart, the developing heart takes advantage of suction
The embryonic heart works more like the adult heart than scientists had long assumed.
-
Macho Makeover: Fish rapidly ascend social ladder
Some male fish can upgrade their social status, and their appearance, in a matter of minutes.
- Paleontology
Sight for ‘Saur Eyes: T. rex vision was among nature’s best
A study of dinosaur eyes finds that Tyrannosaurus rex had very sophisticated vision that may have helped its predatory abilities.
- 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.
