In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, ...

Intermittent fasting focuses on "when" you eat, rather than "what" or "how much." It involves cycling between periods of eating and fasting, with a common schedule being 18 hours of fasting and a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The age of anesthesia began in 1846, when a man named Edward Abbott ...

You’ve probably watched this sort of science-fiction scene more than once: some stalwart starship captain and their crew are fleeing from aliens/escaping a supernova/running out of fuel and are ...

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