News tagged with seasonal variations

Far-out photosynthesis

Photosynthesis maintains Earth's habitability for life as we know it, and shapes the way we search for habitable worlds around distant stars. Scientists have discovered a microbe that can use low-energy light ...

Mar 16, 2012
4.3 / 5 (7) 7 | with audio podcast

Pacific locked in 'La Nada' limbo

(Phys.org)—Sea-surface height data from NASA's Jason-2 satellite show that the equatorial Pacific Ocean is still locked in what some call a neutral, or 'La Nada' state. This condition follows two years ...

Feb 07, 2013
4.8 / 5 (4) 5

Butterflies switch lifestyles using hormones

Many habitats on Earth change dramatically with the seasons, profoundly affecting food availability, predation pressure and reproductive opportunities for animals living in these seasonal habitats. To survive ...

Aug 15, 2014
3 / 5 (2) 0

Looking deeper into sea ice

(Phys.org)—This year, satellites saw the extent of Arctic sea ice hit a record low since measurements began in the 1970s. ESA's SMOS and CryoSat satellites are now taking a deeper look by measuring the ...

Oct 08, 2012
5 / 5 (3) 0

Latest CryoSat result revealed

(Phys.org) -- After nearly a year and a half of operations, CryoSat has yielded its first seasonal variation map of Arctic sea-ice thickness. Results from ESA’s ice mission were presented today at the Royal Society in ...

Apr 25, 2012
5 / 5 (3) 0

Scientists possibly unlock biodiversity door

(PhysOrg.com) -- Looking for the answer to why the tropical Amazonian rainforest has more bird, plant and insect life than Vancouver Island’s temperate rainforest has been like looking for a needle in a haystack. That is ...

Jul 15, 2010
4.5 / 5 (11) 0 | with audio podcast