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Untested cancer drugs are often hyped by journalists, doctors and biotech firms, a survey finds. Dressing up unproven medications with shiny words can inspire false optimism among patients.

The rocket will carry supplies to the International Space Station. SpaceX hopes to land the reusable rocket on a platform in the Atlantic Ocean.

Foraging bumblebees can pick up nearly half their weight in pollen before heading home to the hive, research shows. All that weight tucked into hollows on their hind legs can complicate flying.

Twenty-five years after he initially created Sandman, Gaiman returns to one of his most enduring characters. Gaiman says writing The Sandman: Overture was "the most intense period of my life."

The Nobel Prize winner who struggled with schizophrenia and was portrayed by Russell Crowe in the 2001 film, died with has wife in a taxi on the New Jersey Turnpike, officials say. He was 86.

When Crichton died of cancer in 2008, he left behind an unfinished techno-thriller. Superb science-writer Richard Preston has completed Micro, the story of young scientists who get shrunk to a size smaller than ants when a nanotech invention is used for evil.

It's not just people who go on trial these days. It's their brains.

You can watch Obama's speech live online, on KPBS TV or listen on 89.5 FM

The political debate over the causes of climate change will go on. And on.

Shifts in climate in the Middle Ages likely drove plague bacteria from gerbils in Asia to people in Europe, research now suggests. Rats don't deserve all the blame.