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How Newbie Gardeners Can Safely Grow Food On Urban Land

More and more city dwellers are trying their hand at urban gardening. Most know to be wary of lead in their soil, but fewer are aware of how to avoid other types of contaminants.

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Geologists Warned That Huge Quake Could Strike The Himalayas

The earthquake that struck Nepal over the weekend was hardly a surprise. Geologists have known for decades that tectonic plates underneath Nepal were capable of creating a devastating earthquake.
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Big Aftershocks In Nepal Could Persist For Years

Saturday's magnitude-7.8 quake released stress that was building for 150 years, scientists say, and it reshuffled tension to nearby faults.
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Maybe You Should Rethink That Daily Aspirin

A small dose of aspirin taken regularly can help prevent a second heart attack or stroke. But too many healthy people are taking the drug for prevention, and for them, the risks may outweigh benefits.
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Solving Crimes With Pollen, One Grain Of Evidence At A Time

Dallas Mildenhall is one of the world's few forensic pollen experts. He recently identified a rare, mutated pollen grain that helped police crack a murder case in his native New Zealand.
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Hubble's Other Telescope And The Day It Rocked Our World

Amid this week's hoopla celebrating the Hubble Space Telescope, don't forget the clever astronomer for whom the space scope was named. In the 1920s, he changed our sense of ourselves and the universe.
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These Animals Might Go Extinct Because No One Wants To Eat Them

Many species have gone extinct because humans hunted them into oblivion for their meat. But there's another group of animals that are endangered because we've lost interest in breeding them.
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What's That Smell? The Beautiful Tree That's Causing Quite A Stink

Once embraced by cities for its beautiful white flowers, disease resistance and ability to grow just about anywhere, the Callery pear is now considered a nuisance due to its smell and invasive nature.
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California Cities Struggle To Meet Water Conservation Targets

Early next month, California plans to finalize its emergency water conservation plan. Cities are under the gun to cut their water usage from anywhere between 15 and 40 percent.
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Scientists Discover Massive New Magma Chamber Under Yellowstone

The newly discovered chamber is 4.5 times larger than the shallow reservoir already known and contains enough partially molten rock to fill the Grand Canyon 11 times.

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