News
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AnimalsBad Bubbles: Could sonar give whales the bends?
Odd bubbles of fat and gas have turned up in the bodies of marine mammals, raising the question of whether something about human activity in the oceans could give these deep divers decompression sickness.
By Susan Milius -
TechSpecial Delivery: Metallic nanorods shuttle genes
A new gene therapy technique relies on nanorods made of gold and nickel to deliver genes to cells in the body.
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AstronomySuper Data: Hail the cosmic revolution
Ten extremely distant supernovas recently discovered by the Hubble Space Telescope provide evidence that something is pushing objects in the cosmos apart at an ever-faster rate.