paige elise walker

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California drought could end with storms known as atmospheric rivers

California's drought crept in slowly, but it could end with a torrent of winter storms that stream across the Pacific, dumping much of the year's rain and snow in a few fast-moving and potentially catastrophic downpours.<p>Powerful storms known as atmospheric rivers, ribbons of water vapor that extend …

Humans threaten 4 of 9 key systems on Earth - Futurity

A big-picture look at the state of Earth suggests that human activity is crossing some major planetary boundaries.

Science

Hotter climate could 'wilt' wheat crops - Futurity

For every degree Celsius that the global temperature increases, the world could lose 6 percent of its wheat crop.

Climate Change

From Campfire to Haute Cuisine: How Food and Flavor Drove Human Evolution

"We owe our existence and our humanity to taste," says author John McQuaid.<p>Taste is often dismissed as the most primitive of the senses. But new research reveals it is in many ways the most subtle and complex of them all.<p>Reporting from kitchens, farms, restaurants, and science labs, Pulitzer …

Beef Stew with Carrots & Potatoes

5 stars based on 793 votes<p>We had the best snow day last week. School was cancelled, work wasn’t happening, and the only thing to do was hunker down …

Pasta With Tuna, Garlic and Parsley

This recipe is the essence of easy. It uses tuna from a can and takes barely any effort at all. Yet it is beautiful and delicious -- the essence of style and artistic restraint.<p>For someone who is inclined to overkill (me), it takes an act of considerable willpower to keep from adding to this dish. …

Italian Food

How to tap the sun's energy through heat as well as light

A new approach to harvesting solar energy, developed by MIT researchers, could improve efficiency by using sunlight to heat a high-temperature …

Stephen Hawking Says There Are No Black Holes

The physicist offers a new theory that allows energy to escape.<p>Stephen Hawking has a big announcement. No, it's not that aliens exist or that humans won't survive another 1,000 years on Earth. The physicist claims, in a paper posted online Wednesday, that the idea of an event horizon—the point of …

Physics

Extreme Power of Black Hole Revealed - Astronomers have used…

Extreme Power of Black Hole Revealed - Astronomers have used NASA's Chandra X-ray Observatory and a suite of other telescopes to reveal one of the most powerful black holes known. The black hole has created enormous structures in the hot gas surrounding it and prevented trillions of stars from forming.<p>The black hole is in a galaxy cluster named RX J1532.9+3021 (RX J1532 for short), located about 3.9 billion light years from Earth. The image here is a composite of X-ray data from Chandra …