Biology

dead pigs
Yale team partially revives dead pig organs an hour after death
Long COVID-19 and chronic conditions after viral infections may stem from an overactive immune response
The Singularity: When will we all become super-humans? 
ADHD drugs might also treat Alzheimer’s disease
Jeff Bezos is looking to defy death – this is what we know about the science of aging
How natural “short sleepers” thrive on 4 hours of sleep per night
How will humans change in the next 10,000 years?
MIT engineers 3D-print rubbery brain implants that don’t “stab” the brain
artificial gravity
The sci-fi plan to create artificial gravity on the moon, Mars 
human limb regeneration
New discoveries are rewriting the rulebook for regenerating limbs