733 results
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Tadpole Slayer: Mystery epidemic imperils frogs
An emerging protozoal disease has begun to trigger mass die-offs of frog tadpoles throughout much of the United States.
- Earth
A New Would-Be Hormone in Water
Nitrate, a common pollutant, may also perturb reproductive hormones—at least in frogs.
- Life
Compass creatures
Herds of grazing and resting deer and cattle tend to align themselves with the Earth’s magnetic field, a hint that the large mammals can somehow sense the invisible field.
- Life
Frog builds toes, then legs
A small frog appears to jump-start its skeletal development, turning on genes for building feet and toes before bothering to build its legs.
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- Ecosystems
Fish Houses
Tanked half-way houses allow people and fish to get acquainted on their own terms — and exhibit their individual personalities.
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- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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All in the Family
Contrary to popular belief, species of salamanders, birds, beetles and fish prefer to mate with close kin.
- Earth
Lazarus, the amphibian
The painted frog, unseen for more than a decade and feared to be extinct, has resurfaced in a remote desert highland of Colombia.
- Animals
Virgin Birth: Shark has daughter without a dad
DNA testing of two sharks confirms an instance of reproduction without mating, adding a fifth major vertebrate lineage to those known for occasional virgin births.
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Amphibiaweb
Curious about frogs, toads, or salamanders? This Web site from the University of California, Berkeley provides data on more than 6,000 amphibian species from around the world. Visitors can browse the listings by name or region of the world (or country). The site also has general information about amphibians and addresses the issue of amphibian […]
