Crawl on over to PBS NATURE and check out Spy in the Wild!: http://www.pbs.org/wnet/nature/ SUBSCRIBE to BrainCraft! http://ow.ly/rt5IE If you're in the US, Spy in the Wild airs Wednesdays,...
========== Human behaviour is fascinating, and it’s
around this time of year – February 14 to be precise – that homo sapiens in many countries
engage in a curious ritual: the Valentine’s Day gift exchange. Whether it be cards, chocolate, roses, plush
toys, a love fern or diamonds (if you’re fancy or serious); they appear to be tokens
aimed at acknowledging you, wooing you, keeping you or just consumerist obligation. But Homo sapiens aren’t alone in giving
gifts to their partners – we’ve observed many animals act in the same way and bestow
tokens of their affection to their bae. Love gifts that are, arguably, better than
roses. #betterthanroses. To the Adelie Penguin, pebbles are one of
their most prized possessions. Stones are in demand – the pengui...