Chemical π
Using the periodic table to memorize that celebrated number
Chemistry3458 articles archived since 1845
Salt on Ice
An activity to melt over from Science Buddies
Science News Briefs from around the Globe
A few brief reports about international science and technology from Greenland to Palau, including one on the discovery of a trove of mummified cats in Egypt.
Budding Yeast Produce Cannabis Compounds
Biologists have taken the genes that produce cannabinoids in weed and plugged them into yeast, making rare and novel compounds more accessible. Christopher Intagliata reports.
Human Diet Drugs Kill Mosquitoes' Appetite, Too
When researchers fed mosquitoes a drug used to treat people for obesity, the insects were less interested in hunting for their next human meal ticket. Karen Hopkin reports.
The Fluorine Detectives
Researchers are battling to identify and assess a worrying class of persistent chemicals
Salt Doesn’t Melt Ice—Here’s How It Makes Winter Streets Safer
There’s a good reason to salt the roads before snow starts falling
New Adaptive Fabric Cools Down as You Heat Up
The dynamic textile becomes more breathable in hotter, sweatier conditions
I Was a Teenage Element Hoarder
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
Happy Sesquicentennial, Periodic Table!
The organizing scheme that revolutionized our understanding of the chemical elements turns 150 in 2019
Forget Everything You Know about 3-D Printing—the "Replicator" Is Here
Rather than building objects layer by layer, the printer creates whole structures by projecting light into a resin that solidifies
Are 2 Snowflakes Ever Identical?
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...
Pesticides on Our Plates: Is Our Food Safe to Eat?
A new report looks at the amount of pesticides that are making their way to our plates
Solubility Science: How Much Is Too Much?
A saturating science project from Science Buddies
Fukushima Residents Return Despite Radiation
Eight years after the nuclear meltdown, wary citizens are moving back to contaminated homesteads—some not by choice
Fake Whiskeys and Octo-Ecstasy
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...
The Race to Relearn Hemp Farming
Researchers have a lot to learn about the previously banned crop before it flourishes on U.S. farms
Chill Out by Making Homemade Slushies
A cool activity from Science Buddies
Testing for Caffeine Could Help Foil Fake Urine Scam
The absence of substances originating from coffee, chocolate, nicotine and blood in pee could indicate foul play
Gel Packed with Chemical “Scavengers” Protects against Sarin Gas
Nanotech particles tucked into a gel coating can prevent poisoning by deadly organophosphates for a week or more
