Stories by Sasha Nemecek

How dams affect biodiversity

New treatments seek to rebalance the immune system

Chemists make magnets without metal

New ways to fend off antibiotic-resistant pathogens

Separating real from imagined disorders presents frustrating challenges

New drugs promise to prevent some of the ensuing brain damage

The real science of silicone breast implants is hard to see

Controversy over taxonomy endangers protection efforts

Computers modeling the environment yield surprising results

Researchers redesign thalidomide

Researchers pry open bucky-balls in hopes of stuffing them

Insects are imported to kill an imported tree

The number of amino acids--the basis for all proteins--just grew

A controversial exhibit about World War II is canceled

Cooking, not cars, may explain much of Mexico City's pollution

Tissue-engineered valves may offer a transplant alternative

A new treatment for alcoholism receives FDA approval