Autism and DDT: What 1 Million Pregnancies Can—and Can't—Reveal
Analysis finds prenatal exposure to the pesticide is associated with a higher risk of severe autism with intellectual impairment
Chemistry2848 articles archived since 1845
The Business of Fizziness: Find Your Soda's Fizz!
A bubbly science activity from Science Buddies
Gene-Silencing Technology Gets First Drug Approval after 20-Year Wait
The U.S. FDA decision comes after fits and stops for RNA-interference therapies
Computerized Chemical Toxicity Prediction Beats Animal Testing
Researchers programmed a computer to compare structures and toxic effects of different chemicals, making it possible to then predict the toxicity of new chemicals based on their structural similarity to known ones.
Corn Variety Grabs Fertilizer from the Air
A variety of corn from Oaxaca, Mexico, has aerial roots that harbor nitrogen-fixing bacteria, allowing the corn to suck nitrogen straight from the air. Christopher Intagliata reports.
How Rare Blue Diamonds Form Deep below the Ocean Floor
Minerals and elements are recycled in Earth’s mantle to form the precious gems
The Mysterious Return of Ozone-Depleting CFCs
CFCs, the harmful ozone-depleting chemicals banned back in the 1980s, are experiencing a mysterious comeback
Besting Nature
Artificial leaves convert sunlight into fuel at a rate that could efficiently power remote locations.
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.
Does It Sink or Float? Depends on the Soap!
A soapy science activity from Science Buddies
China Expands Surveillance of Sewage to Police Illegal Drug Use
Privacy concerns, cultural differences fuel skepticism about this approach in other settings
Buzz Kill: Our Best Weapons against Mosquitoes
As mosquito-borne diseases spread, scientists are fighting back with new poisons, traps and genetic engineering techniques
Scientists Pick Up the Genetic Scent of Stinkbug Invaders
New method that tests for insect DNA on farm produce could “revolutionize” agricultural pest surveillance
Controversial CRISPR "Gene Drives" Tested in Mammals for the First Time
Experiments in mice suggest the technology has a long way to go before being used for pest control in the wild
Invasive Giant Hogweed's Solar-Activated Sap Causes Blistering Skin Burns
The plant, which has spread to 11 states and was recently found in Virginia, attacks the DNA in human cells
The Build-Your-Own Alka-Rocket Contest
Building your own rockets is fun. Building them for a cash prize is even better. Are you ready to compete to build a rocket powered only by effervescent tablets?
Sweet and Sour Science You Can Taste!
A fizzy chemistry activity from Science Buddies
Weeds Are Winning the War against Herbicide Resistance
Herbicides are under evolutionary threat. Can modern agriculture find a new way to fight back?
World Cup Ban on Radioactive Chemicals Frustrates Russian Biochemistry Labs
Security measures implemented in advance of the event have affected some scientists
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.
