When people or animals are thrust into threatening situations such as combat or attack by a predator, stress hormones are released to help prepare the organism to defend itself or to rapidly escape from danger—the so-called ...
Plants & Animals
Mar 5, 2013
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The mating success of male butterflies is often lower if they are inbred. But how do female butterflies know which males to avoid? New research reveals that inbred male butterflies produce significantly less sex pheromones, ...
Plants & Animals
Mar 5, 2013
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Well at least this is true for sugar gliders (Petaurus breviceps) and grey short-tailed opossums (Monodelphis domestica), finds an article in BioMed Central's open access journal BMC Evolutionary Biology, and shows that handedness ...
Plants & Animals
Mar 5, 2013
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NASA's Curiosity rover, which has been exploring Mars since it landed to much fanfare last August, should be running at full capacity next week, after a memory glitch set the robot back.
Space Exploration
Mar 5, 2013
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(Phys.org) —Comet 2013 A1 (Siding Spring) will make a very close approach to Mars in October 2014.
Space Exploration
Mar 5, 2013
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Facebook users began sharing more private data after the social network giant revamped its policies and interface, according to a study released Tuesday.
Internet
Mar 5, 2013
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Isolation of DNA from some organisms is a routine procedure. For example, you can buy a kit at your local pharmacy or grocery store that allows you to swab the inside of your cheek and send the sample for DNA sequencing. ...
Biotechnology
Mar 5, 2013
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Antarctica's topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists.
Earth Sciences
Mar 5, 2013
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In order to build and maintain cells, DNA is copied into ribonucleic acid (RNA) molecules, also called transcripts. Transcripts are often like a recipe for making proteins, and a collection of all the transcripts in a cell ...
Ecology
Mar 5, 2013
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New theoretical modeling by Carnegie's Alan Boss provides clues to how the gas giant planets in our solar system—Jupiter and Saturn—might have formed and evolved. His work was published recently by the Astrophysical Journal.
Astronomy
Mar 5, 2013
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