Articles

Where Is Everybody?

Rebecca Boyle | Quanta
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Mar 13, 2019
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Nature | Cosmos

Star motions should make it easy for civilizations to spread across the galaxy, but still we might find ourselves alone.

A New Genetic Alphabet

Carl Zimmer | New York Times
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Mar 12, 2019
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Nature | Life

DNA is spelled out with four letters, or bases. Researchers have now built a system with eight.