Tiny particles can switch back and forth between phases

Three years ago, when Richard Robinson, associate professor of materials science and engineering, was on sabbatical at Hebrew University in Israel, he asked a graduate student to send him some nanoparticles of a specific ...

Organic particles modulate soot mixing in the atmosphere

In the atmosphere, individual soot particles emitted from human activities often encounter and combine with organic material, forming soot-containing particles. A research team led by scientists from the U.S. Department of ...

Electrically charged Higgs versus physicists: 1-0 until break

The last missing particle of the Standard Model, the Higgs boson, was discovered in 2012 in experiments at the Large Hadron Collider. Since then, searching for new, related particles has been underway. Predicted by various ...

How ice particles promote the formation of radicals

The production of chlorofluorocarbons, which damage the ozone layer, has been banned as far as possible. However, other substances can also tear holes in the ozone layer in combination with ice particles, such as those found ...

Air pollution is shaving years from people's lives, study finds

WASHINGTON—People could add years to their lives in smog-plagued parts of the world if authorities could reduce particulate pollution—soot from cars and industry—to levels recommended by the World Health Organization, ...

Delhi homeless to be given masks as smog worsens: official

New Delhi's homeless will be given cotton masks to help them survive in the world's most polluted major city, officials said Monday, although experts said the basic coverings would be useless against deadly smog particles.

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