age of the earth
grrlscientist | July 19, 2010tags: Zircons: Time Capsules from the Early Earth, science bulletins, geology, AMNH, American Museum of Natural History, hadean eon, zircon, rocks, age of the earth, history of planet earth, streaming video
Zircons are tiny crystals with a big story to tell. Some of these minerals are the oldest Earth materials ever discovered, and therefore yield clues about what the planet was like after it formed 4.5 billion years ago. In this new Science Bulletins video, travel to a remote island off Greenland's coast and a zircon-making lab in New York State to learn how geologists are using these time…
laelaps | October 23, 2007Creationists have been strangely quiet today, their silence all the more odd because it's Bishop Ussher Day! According to Young Earth Creationist dogma the world just celebrated it's 6,011th 6,010th birthday (or a formless, empty Earth just celebrated it's birthday, the job not being finished until a few days later, of course), the creation week beginning the night prior to October 23, 4004 B.C. We know this is preposterous now, of course, but in Ussher's time figuring out the date of the Genesis narrative was big business, many theologians using various sorts of numerology in an attempt to…