West Coast girds for more tsunami debris in winter

LOS ANGELES — Volunteers who patrol California beaches for plastic, cigarette butts and other litter will be on the lookout this winter for flotsam from last year’s monstrous tsunami off Japan’s coast.

Armed with index-size cards, beachcombers will log water bottles, buoys, fishing gear and other possessions that might have sailed across the Pacific to the 1,100-mile shoreline.

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Shuttle Xing: Endeavour treks through LA streets

LOS ANGELES — It’s a surreal sight residents won’t soon forget: A hulking space shuttle strutting down city streets, pausing every so often to get its bearings as it creeps toward retirement.

Endeavour’s terrestrial journey began before dawn Friday when it departed from the Los Angeles International Airport, rolling on a 160-wheeled carrier past diamond-shaped “Shuttle Xing” signs.

Mars rover studies new surroundings

LOS ANGELES — The Mars rover Opportunity is snapping pictures like a tourist since arriving at its latest crater destination, much to the delight of scientists many millions of miles away.

The solar-powered workhorse beamed back images of the horizon, soil and nearby rocks that are unlike any it has seen during its seven years roaming the Martian plains.

Opportunity is doing more than just sightseeing. It recently spent a chunk of time using its robotic arm to investigate a flat-topped boulder that likely formed in a hydrothermal environment.

Ancient humans used hand axes earlier than thought

LOS ANGELES — Ancient humans fashioned hand axes, cleavers and picks much earlier than believed, but didn’t take the stone tools along when they left Africa, new research suggests.

A team from the United States and France made the findings after traveling to an archaeological site along the northwest shoreline of Kenya’s Lake Turkana. Two-faced blades and other large cutting tools had been previously excavated there along with primitive stone flakes.

West Coast girds for more tsunami debris in winter

Shuttle Xing: Endeavour treks through LA streets

Mars rover studies new surroundings

Ancient humans used hand axes earlier than thought

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