“The effects of climate change are already occurring on all continents and across the oceans,” and the world is mostly “ill-prepared” for the risks that the sweeping changes present, a new report from the U.N.’s Intergovernmental Panel on Climate Change concludes.
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VIDEO: In Space, A Single Hair Can Move You
Astronaut Karen Nyberg, one of the six people now aboard the International Space Station, demonstrates how little effort it takes to move around in microgravity.