Articles

A 19th-century physicist, Lord Rayleigh, was the first to experimentally measure the size of individual molecules. He did it using little more than oil, water, and a back-of-the-envelope calculation.

The physical world is an intricate dance between matter, information, and energy. Recognizing that mitochondria are alive will open new horizons into how we learn about, and build with, biology.

Thoughts on Dario Amodei’s “Machines of Loving Grace.”

The vaccine and antibiotics available to treat tuberculosis have curbed cases, but more innovations are needed to halt its spread and counteract drug resistance.

Humans have suffered from tuberculosis for thousands of years and, even today, the disease kills more than 1 million people each year. Yet diagnosing cases remains a challenge. Why?

Why scientists should strengthen, rather than replace, the peer review system.