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THE worst of the hazards travellers encounter in the mountainous rainforests of southern India is not the elephants, though they occasionally kill people; nor the creepy-crawlies, though the sudden appearance of a foot-long red-legged millipede can startle; nor the spiny-stemmed palms, though they shred unwary walkers’ clothes. It is the leeches. Leer más.

New research published last month examines why coral snake venom is so painful to humans.  David Julius and fellow researchers at the University of California at San Francisco studied the venom from the Texas coral snake (Micrurus tener) which is considered one of the most pain-inducing venoms in the U.S. Leer más.