What is the structure of our physical reality? Physicists have long imagined space and time interweaving into “space-time”, the metaphorical fabric that underlies the cosmos. But there may be ...

Amazon's awesome 3 for $33 4K Blu-ray sale ends tonight, January 20, at 11:59 PM PT. You're effectively paying $11 per movie, which is quite the deal--especially when you check out the eligible films.

"When people notice nature, and not necessarily even just spend extra time, but just [notice] it, we know it enhances our positive emotions," she told The Current's host Matt Galloway.