Santa Maria: Christopher Columbus' favorite flagship

A team of underwater explorers might have discovered the long-lost remains of Christopher Columbus' flagship Santa Maria, off the coast of Haiti.

In 1492, Santa Maria was one of the three ships that departed from Europe towards the Americas. It ran aground on Christmas Day, near the Caribbean islands, and had to be abandoned.

Now, a group of treasure hunters led by underwater explorer Barry Clifford believes to have enough evidences to prove that Santa Maria has been found.

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Kelp: still no signs of Fukushima radiation

The first collection of kelp samples along the western US coastline revealed no signs of ocean-borne radiation from Japan's Fukushima nuclear power plant disaster.

Scientists working on "Kelp Watch 2014" got the results from samples primarily collected from February 24 through March 14.

"Our data does not show the presence of Fukushima radioisotopes in West Coast Giant Kelp or Bull Kelp," Steven Manley, marine biology professor at California State University, Long Beach (CSULB).

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Rob Machado: the clean water magician

Waves For Water has initiated the Clean Water Couriers program to bring clean water to catastrophic stricken regions around the world.

Simple, clean water filters can change lives. Non-governmental surf organization Waves For Water is looking for 100,000 travelers to pack 10 filters each, and deliver them around the globe.

Creating these types of filtration systems are simple: all you need are paint buckets (easily found in any country), a knife to make a hole, spigots and ceramic-drip water filters that can be purchased for $25 each or the preferred community filter at $50.

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