Scientists pay crack cocaine addicts to test an ADHD drug to treat their addiction. They're not sure it works, but we're pretty sure the volunteers are willing.
The Voyager probes are now the farthest manmade objects from Earth, continuing to relay data 30 years after their launch. We've assembled some of the more astonishing images the probes have captured in this retrospective slideshow.
J. Craig Venter, genome scientist extraordinaire, takes his genome analysis to a new level of detail, showing humans are not 99.9 percent similar to each other as previously thought.