Search Results for: Vertebrates
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1,512 results
- Life
Dinosaur fossil reveals creature of a different feather
Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.
- Life
Triceratops may have been headbangers
Lesions on Triceratops fossils are attributed to head-to-head combat in a new study.
- Earth
Earth: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Earth. Follow hotlinks to the full, original stories.
- Animals
Live fast, die young
With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.
- Life
A honeybee tells two from three
Honeybees can generalize about numbers, at least up to three, a new study reports.
- Life
Three deep-sea fish families now one
Male and young whalefish look so different from females that scientists had mistakenly put them all in different families.
- Life
Female frogs play the field
A female frog insures a safe home for her young by mating with many males.
- Life
Rock-hard evidence
Newly discovered dinosaur tracks, the first ever reported from the Arabia Peninsula, indicate that a part of the now-arid region was teeming with dinosaurs about 150 million years ago.
- Humans
Otters and oil: Problems remain
The behavior of Alaska's southern sea otters may unwittingly expose them to toxic oil-spill residues.
- Life
Earliest whales gave birth on land
Recently discovered fossils of a protowhale help fill in gaps in the land-to-water transition.
- Life
Morse Toad: When amphibians tap their toes
Toe wiggling creates motions, vibrations that get potential prey moving.
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I have heard that whales evolved millions of years ago into their present form, including their very large brains. We humans must be relatively recent in terms of our brain structures. Are there data concerning evolutionary development in whales? Matthew KabriskyDayton, Ohio “Learning to Listen: How some vertebrates evolved biological sonar” (SN: 5/14/05, p. 314) […]
