A digital version of you

When NASA's Mars Rover Opportunity sends a photograph of the alien landscape back to Earth, it relays the information as digital data, a series of ones and zeros that computers assemble into pictures that we can see. What ...

Smoke from wildfires ages in the atmosphere

Emissions, like smoke from wildfires and exhaust from vehicles, go through chemical changes when they enter the atmosphere. New research from the University of Georgia shows, for the first time, that these changes may affect ...

S.African green groups sue government over air pollution

Two South African environmental groups are suing the government over air pollution in the northeastern province of Mpumalanga, where 83 percent of the country's coal is mined, their lawyer said Monday.

How cells zip through the stickiest mucus

A team led by Johns Hopkins University engineers figured out how and why human cells move much faster through thick mucus than thinner varieties. People sick with certain diseases, including asthma and COVID-19, secrete mucus ...

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