Where the vehicles that one took people from Point A to Point B go to die.... READ ON
The customer is always right, as these 11 companies learned the hard way.... READ ON
The solar system we're familiar with from elementary school posters and dioramas has nine (now eight) planets and an Asteroid Belt all orbiting the sun rather neatly, chugging along on nearly the same plane. Sure, Pluto was a bit more eccentric, occasionally coming closer to the sun than Neptune, but it got kicked out of the club. But the further you go out into the distant, cold rocks beyond the planets, the better your chances to find something that ventures off the beaten path.
Last year, Brett... READ ON
Left and right, archaeologists are radiocarbon dating objects: fossils, documents, shrouds of Turin. They do it by comparing the ratio of an unstable isotope, carbon-14, to the normal, stable carbon-12. All living things have about the same level of carbon-14, but when they die it begins to decay at uniform rate—the half-life is about 5,700 years, and you can use this knowledge to date objects back about 60,000 years.
However, radiocarbon dating is hardly the only method that creative... READ ON
Presidential retreat Camp David is named after Dwight Eisenhower’s grandson.