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Twenty volunteers immunized in the US all produced antibodies, according to Ebola vaccine researchers
How a team of scientists—and our producer—learned to love the sharp-toothed swimmers.
"TechKnow" contributor Phil Torres captions images from his trip with researchers in the Bahamas.
On "TechKnow," scientists capture images of a pregnant tiger shark's unborn pups—in one of her two uteri.
Our contributor reflects on 5 days spent on a research boat in the Bahamas.
Scientists have begun tracking earthquakes in places like Oklahoma and Texas to see if they are connected to fracking
TechKnow's Phil Torres talks to Astronaut Chris Hadfield about life in space
Independent Web registry allows families to report disappearances and safely store evidence without police interference
Producer Stephanie Becker previews a new technology tackling the fracking wastewater problem.
After harpoons failed to deploy on landing, Philae floated over to cliff edge where it rests in shadows