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Ask Your Weird Animal Questions: Reptiles

Reptiles may not be as cuddly as cats or as dutiful as dogs, but reptile people love their lizards, snakes, and turtles. This week Ask Your Weird Animal Questions slithers into the world of reptiles, starting with one reader who shelled out some great questions about turtles. Water turtles/terrapins: When they sleep at night, how…

May 18, 2014: Kayaking from Australia to New Zealand, Exploring America by Night, and More

This week on National Geographic Weekend, join host Boyd Matson and his guests as they bicker at the South Pole, find the perfect pairing between beer and food, ride off into the Chilean sunset, solve the global malaria crisis, celebrate the desegregation of American public schools, tip our waiter, hunt for Sasquatch, and jog to save our memory.

Could People Hibernate? Lemurs Give Clues

The only hibernating primate, the fat-tailed dwarf lemur, may open up new opportunities for space travel and improved medicines, a new study says.

Sleep resets color vision, tests suggest

Color perception drifts from neutrality during wakefulness and is restored during sleep, according to research to be presented today in San Antonio, Texas, at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies. A joint venture of the American Academy of Sleep Medicine (AASM) and the Sleep Research Society, the annual SLEEP…