Relying on recent studies, and not Bullshit! season 3, episode 1, Bill Gates has injected $50 million into a program to circumcise up to 650,000 men in Swaziland and Zambia. The project hopes to curb the spread of HIV in the region. "It's great news, and this is exactly what's needed," says Catherine Hankins, chief scientific adviser at UNAIDS. "We've been working on development of guidance and technical support, and these development partners are now being funded to take it forward."