The Temazcal is a ritual sweat lodge historically used by indigenous people in mesoamerica. It was meant to facilitate moments of change; connect with underworld, water, and fertility spirits; cleanse ...

That’s one giant leak for mankind. NASA has invented a system in which both astronaut urine and sweat are made into safe drinking water while up and away in the final frontier of space. “The team ...

This will help prevent the need for future resupply missions, NASA said. The idea of recycling urine to make clean drinking water might make those with even the strongest stomachs a little queasy, but ...

When you need to measure white blood cell counts, it usually involves trips to clinics and expensive equipment for analysis. Likewise, checking water quality for contaminants can be a lengthy process.

Sweating isn't "purifying," but there's a biological reason it feels so amazing. Here's what my experience in a Temazcal taught me. Our editors independently select these products. Making a purchase ...