News
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ChemistryUnsung benefits of darker, tasty oils
Processing to erase the distinctive flavors and colors in cooking oils also removes or deactivates compounds that can defuse biologically damaging chemical reactions in the body.
By Janet Raloff -
EarthA deadly threat in undeployed airbags
The extremely toxic and reactive chemical used to inflate airbags could cause risks to human health and wildlife if accidentally released into the environment.
By Janet Raloff -
ChemistryThe power of caffeine and pale tea
The relatively rare brew known as white tea offers more caffeine than green tea—and perhaps more anticancer activity.
By Janet Raloff -
Health & MedicineSilencing the BRCA1 gene spells trouble
Some breast cancer patients without a mutation in the BRCA1 gene nevertheless have an incapacitated gene, silenced by a process called hypermethylation of nearby DNA.