New nanosensor gives unprecedented look at dopamine release

Astronomers build new telescopes and peer at the night sky to see what they might find. Janelia Group Leader Abraham Beyene takes a similar approach when looking at the cells that make up the human brain.

DNA typewriter taps out messages inside cells

While developing a new system for recording within cells, geneticist Jay Shendure and his team decided to give it a test run by using it to encode text. Since their invention relied on a nearly brand-new recording medium, ...

Structure of 'gliding bird' plant protein could lead to better crops

Biologist Xinnian Dong says her "best Christmas gift ever" arrived in the form of a phone call. The call was from her longtime friend and collaborator at Duke University, Pei Zhou, who rang with long-awaited news: they had ...

Hyaluronic acid research could spur new therapeutics

For more than two decades, scientists have puzzled over how vertebrates make the essential polysaccharide hyaluronic acid, which has broad medical applications. One team took a different tack and solved the mystery.

Flies navigate using complex mental math

The treadmills in Rachel Wilson's laboratories at Harvard Medical School aren't like any you'll find at a gym. They're spherical, for one, and encased in bowling ball–sized plastic bubbles. They're also built for flies.

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