Biology

Brain implant translates neural activity into letters, letting a paralyzed man “speak”
Doctors may not be ready for blood tests that screen for multiple cancers at once
Chernobyl fungus could shield astronauts from cosmic radiation 
DNA-damaging molecules in the gut linked to colon cancer
Organ regeneration could overcome liver failure, without a transplant
New exercise study could find drugs that mimic working out 
These psychedelic “body snatchers” regenerate their bodies and absorb other organism’s attributes 
What you eat can reprogram your genes
To avoid the worst effects of aging, we might need to exercise harder than we thought
New VR body suit lets you see inside your body while you exercise