Headlines

Polluted air quietly erases the benefits of exercise

Long-term inhalation of toxic air appears to dull the protective power of regular workouts, according to a massive global study spanning more than a decade and over a million adults. While exercise still helps people live longer, its benefits shrink dramatically in regions with

How to Print a Human

We desperately need new organs, and we’re running out of ways to get them The post How to Print a Human appeared first on Nautilus .

A surprising new method finally makes teflon recyclable

Researchers have discovered a low-energy way to recycle Teflon® by using mechanical motion and sodium metal. The process turns the notoriously durable plastic into sodium fluoride that can be reused directly in chemical manufacturing. This creates a potential circular economy