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Have you noticed something different about the ACS website? If you’ve been a steady visitor to the site in the past, you may be thinking "yes, everything is different!"

Nanoscale polymer capsules have been proposed as therapeutic agents since they can be loaded with drugs and can be modified to target specific cells, including cancer cells.

In 1976, NASA landed Viking 1 and 2 on Mars. Each spacecraft carried a GC/MS instrument, designed to look for organic matter in the soil of the red, dusty planet.

One year after the World Health Organization recommended the use of DDT in developing countries to prevent the spread of malaria, ES&T reporter Naomi Lubick finds that the debate over the persistent pesticide’s use continues.

If you have ever dug into a flower bed, walked through a plowed field being readied for planting, or ventured outside after a gentle rain shower, then you have smelled geosmin, a chemical responsible for the characteristic odor of fresh, moist earth.

When an electron meets its positively charged antimatter counterpart, the positron, they've been known to briefly form an exotic "atom" known as positronium before annihilating each other within nanoseconds in a burst of gamma rays.