News tagged with external cues

No map, no problems for monarchs

Monarch butterflies have long been admired for their sense of direction, as they migrate from Canada and the United States to Mexico. According to new findings from a team of scientists, including researchers from the University ...

dateApr 08, 2013 in Plants & Animals
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Choosing the right people to go to Mars

(Phys.org)—When humans eventually travel to the Red Planet, the voyage will be long and difficult. The simulated Mars500 mission showed that every detail must be planned, including diet and sleep. The findings will also ...

dateJan 16, 2013 in Space Exploration
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Keeping time: Circadian clocks

Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial cells came into ...

dateOct 02, 2012 in Cell & Microbiology
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