Semen is an interesting fluid. It is the stuff that shoots from the penis to fertilize an egg, which can eventually grow into a baby. It’s pretty powerful stuff when you think it about it. Human bodies
Analysis: Forget 3D or 4K. The next big thing in TV technology is high dynamic range, or HDR. But with two rival formats, some TVs will have a leg up -- and the brand you buy could make all the difference.
When stargazers dream of the ultimate destination for looking up at the heavens, the high-altitude Atacama Desert in northern Chile likely stands at the top of the list. Nature videographer Nicholas Buer