Dust involved in sulfate production in clouds

(Phys.org) —A new study from Germany has studied the tiny dust particles within clouds and their influence on the climate. The influence of dust particles on cloud formation and on the chemical reactions within clouds has ...

Martian clay minerals might have a much hotter origin

(Phys.org)—Ancient Mars, like Earth today, was a diverse planet shaped by many different geologic processes. So when scientists, using rovers or orbiting spacecraft, detect a particular mineral there, they must often consider ...

Water treatments alone not enough to combat fluorosis in Ethiopia

Increased intake of dietary calcium may be key to addressing widespread dental health problems faced by millions of rural residents in Ethiopia's remote, poverty-stricken Main Rift Valley, according to a new Duke University-led ...

New study finds apex fossils aren't life

Structures thought of as the oldest known fossils of microbes might actually be microscopic mineral formations not associated with life, suggesting that astrobiologists have to be careful calling alien objects “life” ...

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