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Microbiology

Origin-of-Life Study Points to Chemical Chimeras, Not RNA

Origin-of-life researchers have usually studied the potential of pure starting materials, but messy chemical composites may kick-start life more effectively.

September 20, 2019

Immune Cells Measure Time to Identify Foreign Proteins

T-cells identify what belongs in the body by timing how long they can bind to it.

June 11, 2019

Scientists Discover Nearly 200,000 Kinds of Ocean Viruses

New work raises the estimated diversity of viruses in the seas more than twelvefold and lays the groundwork for a better understanding of their impact on global nutrient cycles.

May 7, 2019

What Defines a Stem Cell?

Our cells have more diverse regenerative capabilities than anyone expected.

December 20, 2018

What Defines a Stem Cell? Scientists Rethink the Answer

As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.

December 14, 2018

“Traffic Jams” of Cells Help to Sculpt Embryos

By measuring mechanical forces inside an embryo for the first time, researchers have shown how a physical “jamming” mechanism assists development.

November 1, 2018