As the public searches for answers about radiation from Japan’s growing nuclear crisis reaching the United States, they are turning to the Environmental Protection Agency’s RadNet Central Data Exchange, which makes nationwide radiation levels available multiple times a day. But the data requires expert interpretation and could further confuse and worry novices trying to...
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If the current rate of extinction continues, Earth will lose some 75 percent of its species in three centuries, according to a new study by U.C. Berkeley scientists published in the journal Nature this week. Mass extinctions, such as the one predicted, have only occurred five times in the Earth’s history. The dinosaur die-off...
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It’s often noted that when NASA scientist James Hansen first told the senate in 1988 about the dangers of a warming planet, the day was sweltering hot. According to a new study by UC Berkeley Haas business school professor Clayton Critcher, the heat influenced Hansen’s audience. Critcher found that people are more likely to...
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