Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
- 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.
- Animals
Bumblebee 007: Bees can spy on others’ flower choices
Bumblebees that watched their neighbors feast on unusual flowers often later checked out the same kinds of blossoms themselves, a behavior that amounts to social learning.
- Paleontology
Raptor Line: Fossil finds push back dinosaur ancestry
Fossils of a newly discovered raptor dinosaur species suggest that the reptile's lineage is older and more widespread than previously suspected.
- Chemistry
Class Acts from New Pesticides: Chemicals have little effect on mammals
Two new classes of selective pesticides immobilize and eventually kill many crop-damaging insects by interfering with a cell receptor unique to those pests.
- Humans
Science News of the Year 2006
A review of important scientific achievements reported in Science News during the year 2006.
- Animals
Super Bird: Cooing doves flex extra-fast muscles
Muscles that control a dove's cooing belong to the fastest class of muscles known.
- Animals
Crow Tools: Hatched to putter
The New Caledonian crow is the first vertebrate to be shown definitively to have an innate tendency to make and use tools, according to researchers who doubled as bird nannies.
- Humans
Evolution in Action
Debates on the conflict between evolution and intelligent design are taking place not only in the courts but also in state legislatures and even among members of local school boards, where topics include curricula, textbooks, and the definition of science itself.
- Paleontology
First Steps
Using materials as diverse as lobster eggs, dead birds, and the headless carcass of a rhinoceros, scientists are conducting experiments that scrutinize the first steps of the fossilization process.
- Animals
Beat Goes On: Carp heart keeps pace when fish lacks oxygen
Without oxygen, a Scandinavian fish not only can survive but also maintains a normal heartbeat for days.
