Emily Carlson

A protein machine unwinds DNA molecules

Researchers discovered that manganese, a metal and an essential nutrient, helps protect cells against certain toxins.

The tiny water bacterium Caulobacter crescentus secretes a sugary substance so sticky that just a tiny bit could hold several cars together.

Take a wild ride through your cells.

About 250,000 Americans die each year from sepsis, and scientists are racing to figure out causes and treatment.

For proteins, form shapes function.

Researchers can now map the locations of Kenyan tsetse flies, which cause deadly sleeping sickness, using vegetation, temperature and land cover data.

Suncica Canic uses computer models to design better stents – tiny tubes that hold blood vessels open after they've been clogged with disease-causing plaque.