Gillian Wong Latest articles by Gillian Wong Study: Monkeys 'Pay' for Sex by Grooming By Gillian Wong published 5 January 08 Male macaque monkeys pay for sex by grooming females. Monkeys Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1China uses 'gravitational slingshots' to save 2 satellites that were stuck in the wrong orbit for 123 days2Scientists spot a 'dark nebula' being torn apart by rowdy infant stars — offering clues about our own solar system's past3Mass graves of Black Union soldiers slaughtered by Confederate guerrillas possibly identified in Kentucky4Mystery of Bolivian 'zombie' volcano finally solved5Scientists discover 2 new species of crocodile hiding in plain sight
Study: Monkeys 'Pay' for Sex by Grooming By Gillian Wong published 5 January 08 Male macaque monkeys pay for sex by grooming females.