Backpacker on MSN

Is canned oxygen practical or placebo? I hiked with it to find out.

Canned oxygen promises to boost your performance at altitude. We asked a medical expert if it lives up to the hype, then put ...

Scientists want to deploy real cyborg cockroaches to explore the unknown on Earth — and possibly Mars

Scientists in Asia have devised 3D-printed scuba suits that allow cockroaches to breathe underwater for up to three hours, ...