It creates lots of variations on a theme, throws away the ones it does not want, and shuffles the rest in a process akin to sex.

ECONOMIST: Advanced biofuels

They say that if you open up the ABM treaty, or walk away from it, it throws the entire security relationship between the United States and Russia up in the air.

CNN: Jill Dougherty on Bush and Putin's meeting

Ulindi eventually throws the leek away whilst the infant still tries to reach for it, the researchers report.

BBC: Earth News - Bonobo chimps filmed shaking their head to 'say no'