Shell resumes offshore oil drilling in Arctic

Oil giant Shell has resumed offshore drilling operations in Alaskan waters, the company said Friday, after one of its icebreakers was delayed for nearly two days by protesters dangling from a bridge.

Sprayable foam that slows bleeding could save lives

Traumatic injuries, whether from serious car accidents, street violence or military combat, can lead to significant blood loss and death. But using a material derived from crustacean shells, scientists have now developed ...

Key link in turtle evolution discovered

An international team of researchers from the United States and Germany have discovered a key missing link in the evolutionary history of turtles. The new extinct species of reptile, Pappochelys, was unearthed in an area ...

Soft core, hard shell – the latest in nanotechnology

Nanoparticles are the smallest particles capable of reaching virtually all parts of the body. Researchers use various approaches to test ways in which nanoparticles could be used in medicine – for instance, to deliver substances ...

Seashell strength inspires stress tests

Mollusks got it right. They have soft innards, but their complex exteriors are engineered to protect them in harsh conditions. Engineers at the Indian Institute of Science and Rice University are beginning to understand why.

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