Genetically engineered plants might generate weed problems and affect nontarget organisms, but measuring the risk is difficult
In a new kind of laser, human cells take part in amplifying light—revealing secrets important in medical diagnosis
Cagelike crystals may soon help to pump heat with electricity and to create electricity with heat
Will future treatments for one of medicine's most intractable problems include the new genetic technologies?
Spices and morning sickness may shield us from toxins and microorganisms in the diet