The well-known investor behind the likes of Twitter and Foursquare says venture capital funds have gotten too big.
Cataloguing the uniqueness of an individual immune system offers a new understanding of disease.
Gold nanoparticles illuminate faint traces of disease
Lessons from nanotechnology can help synthetic biology mature.
Germany has decided to pursue ambitious greenhouse-gas reductions—while closing down its nuclear plants. Can a heavily industrialized country power its economy with wind turbines and solar panels?
Foundation Medicine is offering a test that helps oncologists choose drugs targeted to the genetic profile of a patient's tumor cells. Has personalized cancer treatment finally arrived?
A newly discovered hormone mimics the effects of exercise
Medical technologies are too rarely evaluated with scientific rigor.
Internet pioneer Larry Smarr's quest to quantify everything about his health led him to a startling discovery, an unusual partnership with his doctor, and more control over his life.
One writer wondered if cows' milk was the key to human longevity.