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“We talk far too much.
The Maya civilization was among the most advanced in history, and its disintegration has perplexed researchers for ages. One of the most compelling theories to date suggests that a shifting climate, playing puppeteer to sociopolitical marionettes, played a devastating role in the Maya's downfall. Now, researchers have combined remarkably detailed climate data — recorded in a Central American stalagmite — with historical records to help determine what really happened to this mysterious Mesoamerican society. In a paper published in today's issue of , a team led by environmental anthropologist Douglas Kennett presents its case for a two-stage, climate-mediated Maya collapse.
The universe can be a very strange place.
A magnificent, profoundly humane “biography” of cancer—from its first documented appearances thousands of years ago through the epic battles in the twentieth century to cure, control, and conquer it to a radical new understanding of its essence. Physician, researcher, and award-winning science writer, Siddhartha Mukherjee examines cancer with a cellular biologist’s precision, a historian’s perspective, and a biographer’s passion. <p style="text-align:right;color:#A8A8A8"></p>
For more than 40 years, scientists have tried to figure out what's causing large parts of Canada , particularly the Hudson Bay region, to be "missing" gravity .
By Robin McKie, The Observer Sunday, July 29, 2012 17:21 EDT Enceladus is little bigger than a lump of rock and has appeared, until recently, as a mere pinprick of light in astronomers’ telescopes. Yet Saturn’s tiny moon has suddenly become a major attraction for scientists.
Scientists twist light to send data: Beams of light can be twisted and combined to transmit data dramatically fasterJune 25, 2012 — A multi-national team led by USC with researchers hailing from the U.S., China, Pakistan and Israel has developed a system of transmitting data using twisted beams of light at ultra-high speeds -- up to 2.56 terabits per second. To put that in perspective, broadband cable (which you probably used to download this) supports up to about 30 megabits per second. The twisted-light system transmits more than 85,000 times more data per second. Their work might be used to build high-speed satellite communication links, short free-space terrestrial links, or potentially be adapted for use in the fiber optic cables that are used by some Internet service providers.
Why the Universe is Flat I The Great Courses http://www.thegreatcourses.com/inexplicableuniverse In this video lecture, Neil deGrasse Tyson, America's most noted astrophysicist, discusses how the shape of the universe allows us to bypass questions about the "original source of energy that begat the universe." This is an excerpt of The Inexplicable Universe: Unsolved Mysteries, a series of online courses presented by Dr. Tyson in Hayden Planetarium, American Museum of Natural History.
Odds are pretty good that some of you are reading this on an LCD screen while the rest of us are trying to make it out on the 13-inch monochrome monitor that came with our garage sale Commodore 64. But even with the LCD, some laptops still weigh over 10-pounds. And while that doesn't seem like much, the level of muscle atrophy experienced by the average Warcraft addict makes that weight a thousand times heavier.
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Adopted by Pembroke Community Garden, a pioneering food growing space located in the grounds of Pembroke House, a community centre in Walworth, Southeast London.
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Imagine cushions that lift up instead of sinking when you sit on them. Impossible? Not according to a blueprint for new materials with "negative compressibility": the materials compress when they are pulled and expand when they are pushed.
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1. Choose a sound In order for nature sounds to start playing choose a sound from drop-down box for one channel and drag the volume slider up. 2.