How Did Early Humans Use Fire?
Environment

How Did Early Humans Use Fire?

Researchers from the Weizmann Institute of Science have found one of the earliest known examples of the controlled use of fire. The non-visual findings are estimated to date back to 800 years ago. Ancient hominins, Homo habilis [more…]

Hint on Supernova 1054 on Byzantine Coins
Astronomy

Hint on Supernova 1054 on Byzantine Coins

One of the most surprising astronomical phenomena ever was Supernova 1054. M1 - the Crab Nebula - was formed by a supernova explosion. But in 1054 AD, the year it happened, it was one of only eight supernovae documented in the history of the Milky Way. [more…]