White shark diets vary with age and among individuals

White sharks, the largest predatory sharks in the ocean, are thought of as apex predators that feed primarily on seals and sea lions. But a new study by researchers at the University of California, Santa Cruz, shows surprising ...

A third of US public fears police use of drones

More than a third of Americans worry their privacy will suffer if drones like those used to spy on U.S. enemies overseas become the latest police tool for tracking suspected criminals at home, according to an Associated Press-National ...

'Bends' study shows how mammals make mega-dives

Scientists in California have shed light on a marine mystery: how diving mammals can hunt for food at great depths without getting the "bends," according to a new study.

Expedition returns wealth of data on whales, sea lions and birds

A University of Otago led multi-disciplinary expedition to the Sub-Antarctic Auckland Islands has recently returned with an abundance of scientific data on whales, sea lions and birds, but also evidence of ship-strike on ...

Autonomous robot maps ship hulls for mines

For years, the U.S. Navy has employed human divers, equipped with sonar cameras, to search for underwater mines attached to ship hulls. The Navy has also trained dolphins and sea lions to search for bombs on and around vessels. ...

Sea lions fuel ocean life

Like whales, sea lions are contributing to marine ecosystems in the most fundamental way possible, research by a Flinders graduate has found.

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