In a new study, a light-sensitive moiety has been added to propofol, a commonly used anesthetic, allowing its narcotic effect to be controlled by light. The compound also offers a possible route to the treatment of certain ...
Biochemistry
Sep 13, 2012
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All tadpoles grow into frogs, but not all frogs start out as tadpoles, reveals a new study on 720 species of frogs to be published in the journal Evolution.
Evolution
Sep 10, 2012
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(Phys.org) -- When the threat of predators lurks, prey often eat less to avoid being out in the open and vulnerable to attack.
Plants & Animals
Jul 11, 2012
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(Phys.org) -- An effective new weapon in the fight against the spread of cane toads has been developed by the University of Sydney, in collaboration with the University of Queensland.
Plants & Animals
Jun 13, 2012
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(PhysOrg.com) -- The world’s most popular weed killer, Roundup, can cause amphibians to change shape, according to research published today in Ecological Applications.
Ecology
Apr 2, 2012
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For the first time, scientists have altered natural bioelectrical communication among cells to directly specify the type of new organ to be created at a particular location within a vertebrate organism. Using genetic manipulation ...
Plants & Animals
Dec 8, 2011
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(PhysOrg.com) -- This infrared image from NASA's Wide-field Infrared Survey Explorer, or WISE, showcases the Tadpole Nebula, a star-forming hub in the Auriga constellation about 12,000 light-years from Earth. As WISE scanned ...
Astronomy
Sep 28, 2011
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For the first time, Tufts University biologists have reported that bioelectrical signals are necessary for normal head and facial formation in an organism and have captured that process in a time-lapse video that reveals ...
Cell & Microbiology
Jul 18, 2011
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(PhysOrg.com) -- The thinning ozone layer in the upper atmosphere may be a key factor in the collapse of frog populations worldwide, new research shows.
Plants & Animals
Feb 17, 2011
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Frogs appear to be very sensitive to progestogens, a kind of pharmaceutical that is released into the environment. Female tadpoles that swim in water containing a specific progestogen, levonorgestrel, are subject to abnormal ...
Ecology
Feb 16, 2011
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