Want to live longer? Just breathe less oxygen. Scientists at Massachusetts General Hospital have discovered that living in a state of hypoxia — having low oxygen in your body tissue — may actually ...

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Most living things, including humans, rely on oxygen to survive. However, some bacteria have a completely different way of making energy. Instead of breathing oxygen, they breathe electricity.

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

We think of oxygen as life, sustenance, a literal breath of fresh air. But it's actually a very reactive element. Anyone who's burned a log has witnessed this firsthand. So why do so many life-forms ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: A new study shows how an oxygen ...