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Steven Platnick: Clouds both cool and warm Earth
Some clouds help cool the Earth, but other clouds help keep Earth warm – in part depending on how high up they are in our atmosphere.
July 29, 2011
After 10,000 year absence, wildfires have returned to Arctic tundra
The huge stock of carbon contained in tundra could increase atmospheric CO2 drastically, when released by a fire. Read more about wildfires.
July 28, 2011
Tamarisk leaf beetles along the Colorado River
Tamarisk leaf beetles - a non-native species - are eating and killing non-native, invasive salt cedar along the Colorado River. Read more here.
July 28, 2011
Tropical Storm Don forms in Gulf of Mexico
Tropical Storm Don is aimed for Texas by Friday or Saturday. The National Hurricane Center forecasts it will become a strong tropical storm with winds around 65 mph.
July 27, 2011
Aging brains are different in humans and chimps
Evolution of human longevity led to both a large brain and brain shrinkage, compared to chimpanzees, say researchers. Read more on aging brains.
July 27, 2011
Millions felt the heat in the Eastern US this past weekend
Newark recorded an all-time record high of 108 F on July 22, 2011. Nighttime lows were in the low 80s - they're typically in the low 60s. Read more on the heat.
July 26, 2011
Rhode Island approves ocean management plan
On July 22, Rhode Island approved an Ocean Special Area Management Plan (Ocean SAMP) that may provide a model for coastal management throughout the U.S.
July 26, 2011
Great white shark leaps aboard research boat
Researchers had their hands (and boat) full after a routine shark count turned into a close encounter with a great white.
July 25, 2011
Carbon sequestration a surprise benefit of forest plan
When the U.S. Northwest Forest Plan stopped most tree cutting on public lands, the area became a carbon sink. Read more on carbon sequestration.
July 25, 2011
For female mongooses, being dominant has costs
There are considerable costs for female banded mongooses who try to prevent younger females from having pups, say researchers.
July 24, 2011
