In the past 100 years, average temperatures on Earth have changed by 1.3 degrees. Previously, that large of a swing took 5,000 years. That's the word from researchers who pored over temperature data going back to the end of the last ice age.
The energy giant says it has "thrown in the towel on solar." The industry has evolved since BP entered the ring, currently emphasizing cheap production rather than research and development. BP says it just wasn't making money, though it will continue investing in other renewable resources.
Scientists are beginning to understand how people focus on a single voice in a crowded, noisy room. This ability, known as the "cocktail party effect," appears to rely on areas of the brain that have completely filtered out unwanted sounds.
Forest elephants in central Africa are being slaughtered in record numbers for their ivory tusks, a decade-long study finds. The U.S. government and wildlife advocacy groups are struggling to slow the killings as poaching is overcoming laws and treaties intended to protect the species.
Computer games aren't just for fun anymore — they're also valuable research tools. Scientists are taking complex problems — like trying to figure out how proteins fold and how neural networks work — and turning them into engaging games. And they need your help.
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