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The American Chemical Society (ACS) named 10 semifinalists in its Chemistry Champions contest on June 24. The contest aims to find and train promising science communicators — perhaps even find the Carl Sagan of chemistry.

In 2006, Austin, Texas, became the first city in the country to ban a commonly used pavement sealant over concerns that it was a major source of cancer-causing compounds in the environment. Eight years later, the city’s action seems to have made a big dent in the targeted compounds’ levels — researchers now report that the concentrations have dropped significantly.

Turning the “hydrogen economy” concept into a reality, even on a small scale, has been a bumpy road, but scientists are developing a novel way to store hydrogen to smooth out the long-awaited transition away from fossil fuels.

Jacqueline K. Barton, Ph.D., professor of chemistry and chair of the division of chemistry and chemical engineering at the California Institute of Technology, has been named winner of the 2015 Priestley Medal by the American Chemical Society (ACS). It is the highest honor bestowed by the world’s largest scientific society.

Essential oils have boomed in popularity as more people seek out alternatives to replace their synthetic cleaning products, anti-mosquito sprays and medicines. Now scientists are tapping them as candidates to preserve food in a more consumer-friendly way.


















