Amazon holiday deals: $16 Roku TV stick, $19 neck massager, $5 leggings, $40 smart bird feeder

Amazon has super holiday deals including Roku & Fire TV Sticks up to 52% off, Blink & Ring security cameras up to 62% off, $5 ...
Space.com on MSN

Mysterious bright blue cosmic blasts triggered by black holes shredding stars, scientists say. 'It's definitely not just an exploding star.'

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar ...