Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
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Learning to Listen
Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.
- Animals
Cool Birds
Emperor penguins go to such extremes to cope with life in Antarctica that they've inspired interesting science as well as a hit movie.
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Worm to elephant: New genome targets
The National Human Genome Research Institute has released a list of 18 wildly different creatures as targets for genome sequencing.
- Paleontology
Early Biped Fossil Pops Up in Europe
A newly described, nearly complete 290-million-year-old fossil of an ancient reptile pushes back the evidence for terrestrial bipedalism by 60 million years.
- Paleontology
Dino Dwarf: Island living may have led to ancient downsizing
Fossils unearthed at a German quarry hint that members of one species of dinosaur that lived in the region about 152 million years ago evolved to be abnormally small because of the constraints of its island ecosystem.
- Paleontology
Calling all orthodontists. . .
Researchers have unearthed fossils of a theropod dinosaur whose front teeth grew almost directly forward, which sets it apart from all other related species.
- Paleontology
Early Bird: Fossil features hint at go-get-’em hatchlings
A well-preserved, 121-million-year-old fossilized bird embryo has several features that suggest that the species' young could move about and feed themselves very soon after they hatched.
- Animals
Myth of the Bad-Nose Birds
Even though a lot of people still believe birds have no sense of smell, certain species rely on their noses for important jobs, such as finding food and shelter, and maybe even a mate.
- Humans
From the October 20, 1934, issue
Searching New York's East River for golden treasure, enormous canyon discovered in Mexico, and new radioactive elements predicted.
- Paleontology
Fossil birds sport a new kind of feather
Two fossil specimens of a primitive, starling-size bird that lived about 125 million years ago have tail feathers that may hold the clues to how feathers originated.
- Paleontology
Allosaurus as a Jurassic headbanger
The skull of the carnivorous dinosaur Allosaurus fragilis can resist levels of stress much higher than those expected from chewing, which may provide insight into the animal's method of attacking its prey.
- Paleontology
The last ice age wasn’t totally icy
Radiocarbon dating of fossils taken from caves on islands along Alaska's southeastern coast suggest that at least a portion of the area remained ice-free during the last ice age.
