A group of physicists has measured gravity using the effects of time dilation — the slowing of time imparted by increased velocity or gravitational force — on atoms.
Bigfoot, or Sasquatch, is a large ape-like creature some people believe inhabits North America but there's no hard evidence it actually exists.
The new date estimate makes the remains the oldest uncontested Homo sapiens in Africa.
Studies led by anthropologist Helen Fisher revealed that the brain's "in love" phase is a unique and well-defined period of time, and there are 13 telltale signs you're in love.