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Guest Blog

Guest Blog

Commentary invited by editors of Scientific American

What Is Wrong with a Carbon Tax

It's been touted as the most fair and effective strategy to reduce emissions, but it's flawed—and there's a better way

7 hours ago — Keith Harrington

Einstein's Greatest Blunder?

He abandoned the idea of a static, nonexpanding universe in 1929—but some physicists are beginning to reconsider it

February 21, 2017 — Cormac O'Raifeartaigh

Should Doctors Have Beards?

The hygiene of facial hair in health care is a controversy that dates back at least to the 1800s

February 21, 2017 — Nathaniel P. Morris

The War for Science

It’s more than a skirmish over funding, censorship, and “alternative facts”—it’s a battle for basic decency, the people we love, and the future of our planet

February 20, 2017 — Jonathan Foley

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