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New window insulation blocks heat, but not your view: Physicists at CU Boulder have designed a new material for insulating windows that could improve the energy efficiency of buildings worldwide—and it works a bit like a high-tech version of Bubble Wrap

Does lightning strike on Venus? Maybe not, study suggests. In new research, space physicists at CU Boulder add strong new evidence suggesting that you probably wouldn't see bolts of lightning flashing from Venus' thick, acidic clouds—or, at least, not very often.