The universe doesn't just blow—sometimes it sucks. The Romantic poet John Keats once defined a state of mind wherein a person "is capable of being in uncertainties, mysteries, doubts, without any ...

The pressure in a liquid increases with the depth and density of the liquid. This is why humans cannot safely dive beyond a certain depth in the ocean. The human body cannot withstand the extra ...

(via Seeker) Making hydrogen a metal takes lot of pressure. But after a group of scientist’s lost the world’s first sample, the pressure is really on.