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On the Origin of Snakes

New studies of snakes and their genes are surprising scientists with stories of "rapid evolution." Some findings offer potential for human health.

From Toxin to Medicine

Botulinum toxin (botox) is now big business in health and fashion, but few may remember it derives from one of the deadliest substances known in nature. Other examples show that some forms of "natural evil" can be seen in a different light.
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