Chemistry

Researchers are battling to identify and assess a worrying class of persistent chemicals

There’s a good reason to salt the roads before snow starts falling

The dynamic textile becomes more breathable in hotter, sweatier conditions

Even at the age of 15, I realized my obsession with collecting all the elements in the periodic table’s is not something most kids aspire to

Rather than building objects layer by layer, the printer creates whole structures by projecting light into a resin that solidifies

Is the “unique snowflake” just flake news? Mother Nature might never produce two identical snowflakes, thanks to the near-infinite variability of the conditions affecting ice crystal formation. But a Caltech scientist has developed a process for growing pairs of twin snowflakes.

The organizing scheme that revolutionized our understanding of the chemical elements turns 150 in 2019

A new report looks at the amount of pesticides that are making their way to our plates

A saturating science project from Science Buddies

Eight years after the nuclear meltdown, wary citizens are moving back to contaminated homesteads—some not by choice

Scientific American assistant news editor, Tanya Lewis, and collections editor, Andrea Gawrylewski, take a deeper look at two short articles from the Advances news section of the December issue, on counterfeit whiskeys and the effect of real ecstasy...on octopuses.

Researchers have a lot to learn about the previously banned crop before it flourishes on U.S. farms