I am bone-tired in my early 20s ... And no, in case you were worried, it won’t leave a green stain on your bathtub, though prepare for a mound of lingering bubble residue post-drain (often ...

There's no worse feeling than choosing a perfect outfit for the day and noticing a stain or discoloration that ruins the look. Though a bad stain might make you tempted to just buy a new shirt, it's ...

A US team of researchers has uncovered 27 bone tools made by human ancestors about 1.5 million years ago. While older bone tools have been discovered, similar examples of bone tool kits occur ...

Bone artifacts discovered in Tanzania push back the earliest known date of bone tool technology by over a million years. In Olduvai Gorge, archaeologists have discovered a range of bone tools thought ...