(Phys.org) —The effects of gravity are relevant when building houses or flying airplanes, but biologists have generally accepted that the average cell is too small for gravity to play a role in how it is built or behaves. ...
Cell & Microbiology
Oct 25, 2013
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Researchers from Heidelberg have decoded a previously unknown molecular mechanism in the fertilisation process of vertebrates. The team of scientists at the Center for Molecular Biology of Heidelberg University identified ...
Cell & Microbiology
Aug 13, 2013
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As part of a "Lazarus Project" to try to bring the Australian gastric-brooding frog back from extinction a UNSW-led team has succeeded in producing early stage cloned embryos containing the DNA of the frog, which died out ...
Plants & Animals
Mar 15, 2013
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While one team of U.S. Department of Agriculture (USDA) scientists is testing the effectiveness of pesticides against mosquitoes, another group is learning how repellents work.
Other
Nov 13, 2012
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Most of the more than 6,000 species of frogs in the world lay their eggs in water. But many tropical frogs lay their eggs out of water. This behavior protects the eggs from aquatic predators, such as fish and tadpoles, but ...
Plants & Animals
Oct 25, 2012
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(AP)—A Puerto Rican frog about the size of a peanut received federal protection Wednesday, ending a long battle to list it as an endangered species.
Plants & Animals
Oct 3, 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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A new bright yellow frog species has been found in the mountains of western Panama. The frog belongs to a species-rich group of frogs, the so called rainfrogs that lack a tadpole stage, but develop directly as little frogs ...
Plants & Animals
May 22, 2012
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Alzheimer's disease is triggered by the inappropriate processing of amyloid precursor protein to generate excess amounts of short peptide fragments called A-beta. For many years, the neurodegeneration associated with Alzheimer's ...
Cell & Microbiology
Oct 24, 2011
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Dr. Misawa and colleagues at the Toyohashi University of Technology, Japan, focused on a chemical sensor composed of living cells from frog eggs and compact fluidic devices integrated with glass capillary electrodes.
Analytical Chemistry
Oct 27, 2010
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