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zero gravity

What's it like to sleep in space?
GZERO World Clips

What's it like to sleep in space?

Sleeping in space is surprisingly comfortable – no mattress, no pillow, and no need to roll over, says astronaut Chris Hadfield

Trump's latest turn against Ukraine could be for good
The Debrief

Trump's latest turn against Ukraine could be for good

President Trump has changed course on Ukraine before. We all remember the Oval Office pyrotechnics (and the reconciliation). But his latest turn toward Russia could prove harder to reverse.