Neogene Period, the name of the more recent of two periods (the other being the Paleogene Period) into which some geologists divide the Cenozoic Era. The Neogene began about 23,000,000 years ago and extends to the present. It includes the Miocene, Pliocene, and Pleistocene epochs. Most geologists today divide the Cenozoic Era into the Tertiary and Quaternary periods instead of the Neogene and Paleogene periods.
Asbestos, once seen as a miracle construction material and used ubiquitously, has been found to be a deadly and unwanted substance. It is now clear that asbestos exposure places you at risk for a variety of respiratory illnesses. Is asbestos a friend or foe? Take this quiz and learn more about asbestos.
Hieroglyphics used to be a language that no one -- Egyptian or otherwise -- could decipher. With the help of the Rosetta Stone, that all changed.