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New research discovers metabolic adaptation to high altitudes

When mammals are cold, they can employ physical changes to stay warm -- such as intense shivering. Like any form of aerobic exercise, though, "shivering thermogenesis" is especially challenging at high altitudes ...

Biology / Plants & Animals

created May 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Agouti gene may generate patterns from stripes to spots in vertebrates

(PhysOrg.com) -- Scientists at Harvard University are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes?

Biology / Biotechnology

created Feb 24, 2011 | popularity 4 / 5 (1) | comments 2 | with audio podcast

Biologists identify the molecular basis of high-altitude adaptation in mice

(PhysOrg.com) -- Biologists have long known how adaptive evolution works. New mutations arise within a population and those that confer some benefits to the organism increase in frequency and eventually become ...

Biology / Evolution

created Aug 10, 2009 | popularity not rated yet | comments 0

Monitoring killer mice from space

The risk of deadly hantavirus outbreaks in people can be predicted months ahead of time by using satellite images to monitor surges in vegetation that boost mouse populations, a University of Utah study says. ...

Biology / Ecology

created Feb 15, 2011 | popularity not rated yet | comments 0

Big, old mice spread hantavirus

University of Utah researchers dusted wild deer mice with fluorescent pink, blue, green, yellow and orange talcum powders to show which rodents most often fought or mated with others and thus were most likely ...

Biology /

created Jan 07, 2009 | popularity 4 / 5 (5) | comments 0

Researchers embark on work to control the prion epidemic affecting deer in the USA

Spanish researchers at the Centre for Cooperative Research in Bioscience, CIC bioGUNE, in collaboration with the University of Kentucky (USA), have discovered a new way to control the stability of certain types of prions ...

Biology / Other

created May 19, 2010 | popularity 4 / 5 (2) | comments 0