In one video, you can see a hungry caterpillar, first working around a leaf’s edges, approaching the base of the leaf and, with one last bite, severing it from the rest of the plant. Within seconds, a blaze of fluorescent light washes over the other leaves, a signal that they should prepare for future attacks by the caterpillar or its kin.
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On March 11, 2011, a one-two, earthquake-tsunami punch knocked out the safety systems at the Fukushima Dai-ichi nuclear power plant, triggering an explosion of hydrogen gas and meltdowns in three of its six reactors—the world’s worst nuclear disaster since Chernobyl. Fukushima’s facility was built with 1960s technology, designed at a time when engineers underestimated plant vulnerabilities during natural disasters. In the US, 20 plants with similar designs are currently operating.
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When Hurricane Florence makes landfall on the North Carolina coastline this week, Catherine Edwards will be hoping the super-storm doesn’t veer toward her home in Savannah, Georgia. But even if Florence maintains a safe distance, Edwards will still have an intimate view of the weather: she's tracking the hurricane's path with a remote-controlled underwater ocean glider.
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From their perch on a rocky ridge in southwestern Greenland, graduate students Rebecca Walker and Conor Higgins peer through binoculars, looking for caribou. It’s a cool, June day and the tundra is ablaze with tiny magenta, pink, and yellow wildflowers. Crystalline lakes dot the glacially carved valleys, and from the round-topped mountains you can catch the glint of the massive Greenland Ice Sheet to the east. Below, the Watson River tumbles toward Kangerlussuaq Fjord, 12 miles to the west. It’s quiet, save for bird song, the rush of the wind, and the frequent crash of ice shearing off nearby Russell Glacier.
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