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A meteorite that recently landed close to a city in Sri Lanka may be "the most important scientific discovery in the last 500 years" since it brought "compelling evidence of life" from space.

On the Island website, Walter Jayawardhana quotes one of the scientists who discovered the contents of the meteorite as saying, "We report here the first compelling evidence for life existing outside the earth." This supports the theory that life came to Earth (and maybe other planets as well) by hitchhiking on asteroids from far corners of the universe.
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Despite the upsurge in organic foods, American agriculture is using more pesticides than ever before. Coupled with antibiotics fed to livestock, the farm is becoming a dangerous place for humans!

The Department of Agriculture says that the average American is exposed to 10 or more pesticides every day in his diet and drinking water, and every human in the US who has been tested for this has been found to have pesticides in his body fat. Speaking of fat, there is new evidence that pregnant women who are exposed to pesticides tend to have children who become obese.
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What can we learn from indigenous cultures, who still live the same way that everyone did thousands of years ago?

Geographer Jared Diamond points out that, for most of history, people lived in small groups as hunter-gatherers. Agriculture began 11,000 years ago, and state government is only half that old. But Diamond, who has spent years studying the tribes living in the jungles of Papua New Guinea, thinks we can still learn from traditional societies like these.
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Reduced air circulation and cold winter temperatures have combined to create what is one of the most intense pollution events in history over China. Unhealthy polluted air blankets three fourths of a country the size of Europe. It’s as if the entire United States east of the Mississippi was choking under a cloud of pollution at a level considered "extremely hazardous" in Western countries. It is the worst pollution event ever recorded in China, and could be the worst pollution event ever caused strictly by manmade emissions.
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