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2014 State of the Birds report: Mixed marks for U.S. birds
While some wetland birds in the U.S. appear to be doing well because of conservation programs, other birds are experiencing steep declines in population numbers.
October 1, 2014
California drought linked to climate change, say scientists
Stanford researchers report that the drought now crippling California is likely linked to human-caused climate change. Other researchers disagree.
September 30, 2014
World population unlikely to stabilize in this century
Experts used “scenarios” to suggest global human population will stabilize around 9 billion by about 2050. A new statistical analysis tells a different story.
September 29, 2014
Clues to the rapid rise of birds
"There was no moment in time when a dinosaur became a bird, and there is no single missing link between them," said Steve Brusatte, who led the study.
September 29, 2014
The water in your bottle might be older than the sun
Up to half of the water on Earth and throughout our solar system likely originated as ices that formed in interstellar space.
September 27, 2014
Why is Antarctic sea ice increasing as Arctic sea ice declines?
Arctic sea ice continued its long-term decline in 2014. Meanwhile, sea ice on the other side of the planet was headed in the opposite direction. Why?
September 27, 2014
Ice crystals don’t melt inside these fish
Antifreeze blood helps fish called notothenioids survive in icy Antarctic waters. The down side is that the ice crystals in their blood don't melt as temperatures warm.
September 24, 2014
History of storm surge in Florida strongly underestimated
Northwestern Florida was thought to get hit by a hurricane with a five-meter (16-foot) storm surge every 400 years. In fact, the frequency may be every 40 years.
September 23, 2014
Newfound dino had huge nose, but why?
This dinosaur probably didn't have a keen sense of smell. Its big nose might have been used to attract mates, smash plants or recognize others of its species.
September 23, 2014
2014 Arctic sea ice minimum sixth-lowest on record
Sea ice in the Arctic continued its below-average trend this year as ice declined to its annual minimum. Meanwhile, in Antarctica, sea ice was at a record high.
September 23, 2014
