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Chemistry2861 articles archived since 1845

Besting Nature

Artificial leaves convert sunlight into fuel at a rate that could efficiently power remote locations.

July 24, 2018

Ancient Tooth Tartar Traps Clues to Iron Age Diet

By analyzing the proteins in ancient dental plaque, archaeologists determined that British menus almost three millennia ago featured milk, oats and peas. Christopher Intagliata reports.

July 24, 2018 — Christopher Intagliata

A Litmus Test for Bad Breath

Researchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin reports. 

June 13, 2018 — Karen Hopkin

Know Before You Vote

Know Before You Vote