A new high-tech suction device could allow humans to walk on walls like Spider-Man or create adhesive devices that could be turned on and off with the flick of a switch.

People are afraid to lose money and an unusual study released on Monday explains why — the brain’s fear center controls the response to a gamble.

The United States is doing little to defend the planet against potentially devastating asteroids and is not doing the basic searches that Congress has ordered, according to a report released on Friday.
While most of the really big and obvious threats are being found, almost nothing is being done to find the smaller [...]