Reindeer body clock switched off
In the far northern reaches of the Arctic, day versus night often doesn't mean a whole lot. During parts of the year, the sun does not set; at other times, it's just the opposite. A new study reported online on March 11th in Current Biology, a Cell Press publication, shows that Arctic reindeer have come up with a solution to living under those extreme conditions: They've abandoned use of the internal clock that drives the daily biological rhythms in other organisms. Source: Cell Press - Discipline: Animal Behavior
Reindeer body clock switched off
Reindeer have "switched off" their internal body clocks to survive dark winters and light summers in the Arctic.
Mon 15 Mar 10 from BBC News
To Arctic animals, time of day really doesn't matter
In the far northern reaches of the Arctic, day versus night often doesn't mean a whole lot. During parts of the year, the sun does not set; at other times, it's just the opposite. A new study ...
Thu 11 Mar 10 from PhysOrg
Featured - To Arctic animals, time of day really doesn't matter, Fri 12 Mar 10 from Labspaces.net
To Arctic animals, time of day really doesn't matter, Thu 11 Mar 10 from Biology News
To Arctic animals, time of day really doesn't matter, Mon 15 Mar 10 from ScienceDaily
To Arctic animals, time of day really doesn't matter, Thu 11 Mar 10 from e! Science News
Time Of Day Doesn't Really Matter To Arctic Reindeer, Thu 11 Mar 10 from RedOrbit
Reindeer don't use dark-light sun cycles
MANCHESTER, England, March 16 (UPI) -- British and Norwegian scientists say they've discovered arctic reindeer don't use the internal clock that drives daily biological rhythms in other organisms.
Tue 16 Mar 10 from UPI
Body Clock of Arctic Reindeer Ticks Differently
Arctic reindeer lack built-in daily body clock to deal with perpetual night and day.
Mon 15 Mar 10 from Livescience
Arctic Reindeer Go Off the Circadian Clock
Reindeer adapt to the Arctic’s endless summer light and winter dark by silencing their circadian clock. The adaptation may be a general one that helps Arctic animals make the most of their ...
Thu 11 Mar 10 from Wired Science
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