733 results
- Earth
Elevated pesticide threatens amphibians
The survival of certain mountain-dwelling amphibians may be threatened by toxic pesticides that are blown uphill from distant agricultural lands in California's Central Valley.
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Biological Moon Shot
The first entries—with the basics for a mere 30,000 species—in the Web-based Encyclopedia of Life are scheduled for release in a matter of weeks.
- Paleontology
Early tetrapod likely ate on shore
The skull structure of Acanthostega, a semiaquatic creature that lived about 365 million years ago, suggests that the animal fed on shore or in the shallows, not in deep water.
- Animals
Bite This: Borrowed toad toxins save snake’s neck
An Asian snake gets toxins by salvaging them from the poisonous toads it eats.
- Agriculture
Lettuce Liability
A new industry program to self-regulate most salad producers is forcing affected farmers to choose between adopting measures unfriendly to wildlife and a loss of major markets for their greens.
- Animals
No-Dad Dragons: Komodos reproduce without males
Two female Komodo dragons in zoos have startled their keepers by laying viable eggs without males, possibly as a last resort at a time when mates are in increasingly short supply.
- Earth
Global warming may already be a killer
Earth's rising temperatures may be a precipitating factor in the extinctions of dozens of tropical frog species.
- Earth
Save the frogs
Researchers have drafted a proposed $400 million research-and-rescue plan for the world's amphibians, at least half of which are in decline or even facing serious risk of extinction.
- Animals
Just turn your back, Mom
A female in a species of legless amphibians called caecilians nourishes her youngsters by letting them eat the skin off her back.
- Earth
Species-aid budget looks fishy
State and federal governments spent $1.4 billion in 2004 on conserving endangered and threatened species, with one-third of that sum going to protect fish.
- 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.
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Sleeper Finding: Hormone key to hibernation?
A recently discovered hormone may play a major role in triggering and maintaining hibernation.
