The Pirahã people live along the Maici River in Brazil's Amazon region.
Courtesy of Dan Everett
April 26, 2012 Forget language genes or innate linguistic universals; language is not only learned, it's also powerfully shaped by the culture we live in. Fieldwork among Brazilian Indians led linguist Dan Everett to see culture as the leading determinant of language.
Plants do seem to have a sense of where they want to go.
Brent Stirton/Getty Images
December 2, 2011 There is good evidence that plants exhibit signs of intelligent behavior. Is this because they are robots?
September 26, 2011 Research shows children are hardwired from birth to prefer sweets, which may have once been an evolutionary advantage. But it appears they begin to scale back on their sugary preferences once they stop growing.
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June 29, 2010 Big Bird's one of Sesame Street's most beloved characters. But what the heck kind of bird is he? Biologist Mike Dickison has figured it out.
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