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Crickets’ gentlemanly side shows in surveillance
Male crickets don't bully and harass their female companions, but stick around and put their own lives on the line to protect them from predators.
October 11, 2011
First-ever Arctic ozone hole: How it formed, what it may mean
Scientists first observed an ozone hole over Antarctica in the mid-1980s. But in 2011 - for the first time - an ozone hole opened over the northern Arctic.
October 11, 2011
Triple and quadruple rainbows in 1st-ever photos
We now have the first scientifically accepted photos of triple and quadruple rainbows. For some, it's as if we've captured a picture of a real unicorn.
October 9, 2011
Active weather for the middle of October
Meteorological models see rain ahead for dry Texas and Oklahoma and for soaked Northeast - and maybe tropical storms in Gulf and Caribbean. More active weather coming.
October 9, 2011
Arctic sea ice reached record lows in 2011
Arctic sea ice losses during 2011 were the second-greatest in the satellite record dating back to 1979, according to an official NSIDC report.
October 7, 2011
Global photosynthesis and a new calculation
Scientists led by Scripps Institution of Oceanography found forests might be taking up more atmospheric CO2 during photosynthesis than previously thought.
October 6, 2011
Genetically engineered canola grows wild across North Dakota
Large, persistent populations of genetically engineered canola are growing along roadsides throughout North Dakota, says study.
October 6, 2011
Stewardship by fire in South African park restores grassland
Newly released NASA images show good Earth stewardship - via fire - in Kruger National Park in South Africa. Read more about it here.
October 5, 2011
Using Landsat to monitor our water use from space
Monitoring our water use from space with pinpoint accuracy, even at the scale of individual fields. Read more about LandSat with Martha Anderson.
October 4, 2011
Two tornadoes strike South Africa
Two tornadoes hit parts of South Africa on October 2, 2011. At least 150 people were injured and one person dead in Duduza and Ficksburg, South Africa.
October 3, 2011
