Articles with the keyword: 
Light Triggers New Code for Brain Cells
piggy submitted, created time 1 week 1 day (www.sciencedaily.com)
Brain cells can adopt a new chemical code in response to cues from the outside world, scientists working with tadpoles at the University of California, San Diego report in the journal Nature.
The discovery opens the possibility that brain chemistry could be selectively altered by stimulating specific circuits to remedy low levels of neural chemicals that underlie some human ailments.
Dark tadpoles don pale camouflage when exposed to bright light 
More habitat for threatened frog proposed
sea-maid submitted, created time 2 months 4 days (www.msnbc.msn.com)
SACRAMENTO, Calif. - Federal wildlife officials on Tuesday proposed more protection for the threatened California red-legged frog, providing up to four times as much habitat than was set aside two years ago.
The U.S. Fish and Wildlife Service recommends designating up to 1.8 million acres in twenty-eight California counties as habitat critical to the frog's survival. The proposal must undergo sixty days of public comment and another review before it becomes final.
The designation would require any development project on the land to get prior approval from federal wildlife officials
Feisty frog uses a move straight from the comic books
Darkfrog submitted, created time 5 months 3 weeks (sciencenow.sciencemag.org)
I've said it before; I'll say it again: You would NEVER see this in Nature. In a writeup by Lauren Cahoon, Science compares a rare frog behavior to characters from Marvel Comics.
Science reports that certain African frogs of the Arthroleptidae variety have a very interesting way of repelling attackers. Researchers who picked up live frogs often found themselves scratched and bleeding, as if cut by claws ...which frogs don't have
Injured vets may regrow body parts
jerry submitted, created time 5 months 3 weeks (edition.cnn.com)
The news shows salamander-inspired therapy may aid injured vets. A wounded American soldier underwent a history-making procedure that could help him regrow the finger that was lost to a bomb attack in Baghdad last year...
Ultrasonic frogs show hyperacute phonotaxis to female courtship calls
kavin submitted, created time 6 months 1 week (www.ncbi.nlm.nih.gov)
Here the authors show that before ovulation, gravid females of O. tormota emit calls that are distinct from males' advertisement calls, having higher fundamental frequencies and harmonics and shorter call duration. In the field and in a quiet, darkened indoor arena, these female calls evoke vocalizations and extraordinarily precise positive phonotaxis (a localization error of
Web Extra: First Frog without Lungs
jiangyun submitted, created time 7 months 1 week (www.sciencenews.org)
Maybe it's incredible. Looks like a frog. Swims like a frog. But doesn't croak. A flattened, brown, aquatic species from Borneo has just become the only frog shown to have no lungs.
sumsung submitted, created time 7 months 1 week (sciencenow.sciencemag.org)
Scientists have hit upon a way to spy on invasive wetland species without ever having to see them: They simply detect their DNA in the water. The technique works on bullfrogs, which are an invasive species outside of North America, and such DNA scans could eventually be used in rapid surveys of biodiversity.
sumsung submitted, created time 8 months 1 day (sciencenow.sciencemag.org)
Despite their famous sticky toes, geckos sometimes take a tumble--and that's when a tail comes in handy. A new biomechanical study shows how geckos use their tails for extra control when they slip or fall. It even helps them glide through the air.
Frogs and alligators swim using flexible lungs
Darkfrog submitted, created time 8 months 5 days (sciencenow.sciencemag.org)
Almost any swamp movie shows alligators moving through the water without twitching a muscle. Turns out there is one muscle moving: the gator's diaphragmaticus, which extends lengthwise through its body and pushes stored air to one side of the body or the other, allowing the animal to tilt in the water. I don't wonder why this developed. It's probably easier to convince prey that you're a helpless log if you never move your feet or tail. Frogs do something similar.
And now the crucial question: Do crocodiles do this too and, if so, how do we tell them apart?
Giant frog found in Madagascar
sumsung submitted, created time 9 months 4 days (www.nature.com)
A giant frog that hopped around Madagascar 65–70 million years ago has been discovered. Fossil fragments show that the frog, called Beelzebufo ampinga, could have measured 20 centimeters across its squat head, and probably more than 40 centimeters from snout to tail. The researchers nicknamed the monstrous beast "the frog from hell"; the official name comes from one of the many names for the devil (Beelzebub) and the Latin for "toad" (bufo).
The long walk of the salamanders
jane2007 submitted, created time 11 months 3 weeks (www.nature.com)
Genetic studies unpick the travels of ancient amphibians from America to Asia.Salamanders aren’t exactly the animals that spring to mind when it comes to long-distance journeys. But researchers studying their ancient history say that these usually unadventurous animals once relocated some 25,000 kilometres from America to Asia — and then some of them came back again.
Mystery epidemic imperils frogs
yangjane submitted, created time 11 months 4 weeks (www.sciencenews.org)
Ecologist John C. Maerz found from Alaska to Florida, a novel and yet-unnamed protozoan is knocking off tadpoles. Species vulnerable to "the beast" belong to the genus Rana, which includes leopard frogs, green frogs, and bullfrogs.
Shrewd Snake Savors Deadly Meal
Eric wu submitted, created time 1 year 6 days (sciencenow.sciencemag.org)
Your mother may have warned that you'd get a tummy ache if you scarfed down your food, but for one Australian snake, eating too fast could be deadly. The death adder dines on frogs, but some of them are poisonous. So the snake has learned patience: After striking a particular poisonous frog, it waits for its victim's toxin to degrade before it dines. The finding could help ecologists decipher how one species can outevolve another.
Ancient amphibians left full-body imprints
herry submitted, created time 1 year 3 weeks (www.geosociety.org)
Unprecedented fossilized body imprints of amphibians have been discovered in 330 million-year-old rocks from Pennsylvania. The imprints show the unmistakably webbed feet and bodies of three previously unknown, foot-long salamander-like critters that lived 100 million years before the first dinosaurs.
Arthritis fails to slow horde of cane toads approaching Darwin
Darkfrog submitted, created time 1 year 1 month (www.nytimes.com)
The cane toads, native to South America, have eaten so much sweet Australian food that they've become too fat for their own bones. The toads approaching Darwin are plagued by arthritis: An earlier study found that the toads on the leading edge of the expansion have longer legs for faster movement, but about 10% of them also have spinal abnormalities. Evolution in action, my friends: New environment, new developments, and some individuals fall by the wayside
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amino acid : Fmoc-D-Glu(OtBu)-OH
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[Tyr8]-Bradykinin
[Tyr8] Bradykinin is useful for determination of human urina ...
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pRNAT-U6.2/Lenti
A synthetic peptide corresponding to residues 410 through 41 ...
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