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It's a Small World

This year's very best in microscopic photography

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MAGAZINE HIGHLIGHTS

siri alexa digital assistant

How Scientists Are Bringing Our AI Assistants to Life

Get to know why Siri, Alexa and their digital rivals are who they are.
Babies-In-Space

Sex and the Cosmic City

Colonizing space means reproducing there. We still don't know if that's possible.
Gravitational-Waves

We've Found Gravitational Waves. What Will We Learn From Them?

Spotting them was the easy part. Now gravitational waves will help unravel these mysteries of the cosmos.
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