Raj Lada

Dec. 10, 2010

The Hidden Science of Christmas Trees

Researchers report that they've been able to block the decay process that causes cut Christmas trees to shed their needles.

tree, fir, pine christmas, evergreen

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Michael Pollan Talks Plants and Food

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Oliver Sacks: Hallucinations

In his latest book, neurologist Oliver Sacks explores the strange world of hallucinations, and documents his own experiments with psychedelic drugs.

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