In 335 B.C.E., Aristotle proposed that the heat of the male partner during intercourse determined sex. At least in the case of reptiles, Aristotle was on to something. What about in other animals? The ...

A security mechanism inspired by NATO Article 5 remains the main guarantee on the table for Ukraine, Italian Prime Minister Giorgia Meloni said on Aug. 27. "The Italian proposal, based on a mechanism ...

For many years now a source for some of the smallest and cheapest home made CNC mechanisms has been the seemingly never-ending supply of surplus CD and DVD-ROM drives. The linear actuator that moves ...