Kononenko is basically donating his living body to science, because living without gravity really messes up your systems. “There's a lot of things that we're still learning about humans in space.

Our bodies emit a stream of low-energy photons, ... All living things, including humans, constantly emit a ghostly glow – and it appears to vanish almost as soon as we die.

Every Human Body Gives Off an Invisible Glow. ... humans (along with all other living things) truly do emit a glow largely caused by an organism’s metabolic and cellular processes. This glow, ...

Researchers from the University of Calgary in Canada have found that living things produce a faint ghostly glow. And their new study proves that this light is snuffed out the moment we die.

But we’ve learned quite a lot of fascinating things about the human body this year, too, in relation to topics ranging from eye and uterus transplants to vitamin D levels and aging.