News tagged with frog tadpoles
Research suggests EPA pesticide exposure test too short, overlooks long term effects
Aug 17, 2009 |
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The four-day testing period the U.S. Environmental Protection Agency (EPA) commonly uses to determine safe levels of pesticide exposure for humans and animals could fail to account for the toxins' long-term effects, University ...
Research finds that low concentrations of pesticides can become toxic mixture
Nov 11, 2008 |
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Ten of the world's most popular pesticides can decimate amphibian populations when mixed together even if the concentration of the individual chemicals are within limits considered safe, according to University of Pittsburgh ...
New study shows diversity decreases chances of parasitic disease
Biology /
Oct 21, 2008 |
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A new University of Colorado at Boulder study showing that American toads who pal around with gray tree frogs reduce their chances of parasitic infections known to cause limb malformations has strong implications ...
Common insecticide can decimate tadpole populations
Sep 29, 2008 |
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The latest findings of a University of Pittsburgh-based project to determine the environmental impact of routine pesticide use suggests that malathion—the most popular insecticide in the United States—can decimate tadpole ...
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Skin color studies on tadpoles lead to cancer advance
Jan 29, 2009 |
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The humble tadpole could provide the key to developing effective anti-skin cancer drugs, thanks to a groundbreaking discovery by researchers at the University of East Anglia (UEA).
Frogs with disease-resistance genes may escape extinction
Biology /
Jul 16, 2008 |
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As frog populations die off around the world, researchers have identified certain genes that can help the amphibians develop resistance to harmful bacteria and disease. The discovery may provide new strategies to protect ...
Frog embryos associate the smell of predators with danger
Nov 03, 2009 |
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(PhysOrg.com) -- A new study in the US and Canada has found that frogs can learn to associate the smell of predators with danger, even as embryos.
Time of Day Tempers Tadpoles' Response to Predators
Biology /
Aug 10, 2006 |
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To a tiny tadpole, life boils down to two basic missions: eat, and avoid being eaten. But there's a trade-off. The more a tadpole eats, the faster it grows big enough to transform into a frog; yet finding food requires being ...
New golden frog discovered in remote region of Colombia
Biology /
Aug 28, 2007 |
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A new poisonous frog was recently discovered in a remote mountainous region in Colombia by a team of young scientists supported by the Conservation Leadership Programme (CLP). The new frog, which is almost two centimetres ...
Killer fungus threatening amphibians
Nov 23, 2009 |
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Amphibians like frogs and toads have existed for 360 million years and survived when the dinosaurs didn't, but a new aquatic fungus is threatening to make many of them extinct, according to an article in the ...
Biologists rediscover endangered frog population
Jul 25, 2009 |
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For the first time in nearly 50 years, a population of a nearly extinct frog has been rediscovered in the San Bernardino National Forest's San Jacinto Wilderness. Biologists from the U.S. Geological Survey (USGS) assessing ...
New study reveals ecosystem-level consequences of frog extinctions
Biology /
Oct 16, 2008 |
4.3 / 5 (7) |
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Streams that once sang with the croaks, chirps and ribbits of dozens of frog species have gone silent. They're victims of a fungus that's decimating amphibian populations worldwide.
Frog in Pepsi can -- it's the real thing: FDA
Sep 03, 2009 |
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A Florida man who cracked open an ice cold can of Pepsi "indeed" found dismembered remains of a frog, the US Food and Drug Administration said on Thursday.
Captivity offers hope for endangered frogs
Biology /
Jan 21, 2008 |
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Scientists at the San Diego Zoo are raising 65 mountain yellow-legged frogs, in an effort to stave off extinction for the dwindling species.
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