Emerging Explorer

New Field Could Explain How Salmon, Turtles, Find Home

Publication: National Geographic News   Date: December 4, 2008   View Article

Sea turtles and salmon may use their sensitivity to Earth’s magnetic field to guide them home at the end of their epic coming-of-age journeys, suggest scientists aiming to solve one of nature’s enduring mysteries.

The newly proposed theory is one of several ideas being explored under the banner of an emerging scientific field dubbed movement ecology.

NASA Tool Helps Track Whale Sharks, Polar Bears

Publication: National Geographic News   Date: August 25, 2008   View Article

Photos of giant whale sharks snapped by vacationing scuba divers and snorkelers are helping scientists track the elusive marine creatures across the oceans.

And the same technique may soon also help researchers track polar bears in Canada, giant Eurasian trout in Mongolia, and ocean sunfish in the Galápagos Islands.

Geographic Photographer Critically Injured in Africa

Publication: National Geographic News   Date: June 11, 2007   View Article

National Geographic photographer Bobby Model remains in critical condition at a South African hospital after a chunk of concrete smashed through the windshield of a pickup truck and hit him in the head Thursday.

© 2008-2010 Collected Writings By John Roach