World’s first hybrid shark found off Australia

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A hybrid black tip shark containing both common and Australian black tip DNA

Scientists said on Tuesday that they had discovered the world’s first hybrid sharks in Australian waters, a potential sign the predators were adapting to cope with climate change.
The mating of the local Australian black-tip shark with its global counterpart, the common black-tip, was an unprecedented discovery with implications for the entire shark world, said lead researcher Jess Morgan…

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Stone Age temple found in Orkney is 800 years older than Stonehenge

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Stonehenge may not have been the centre of Neolithic culture after all.

A 5000-year-old temple in Orkney could be more important than Stonehenge, according to archaeologists.
The site, known as the Ness of Brodgar, was investigated by BBC2 documentary A History of Ancient Britain, with presenter Neil Oliver describing it as ‘the discovery of a lifetime’.

So far the remains of 14 Stone Age buildings have been excavated, but thermal geophysics technology has revealed that there are 100 altogether, forming a kind of temple precinct…

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Death Valley microbe may spark novel biotech and nanotech uses

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Badwater Basin, lowest elevation in the Western Hemisphere, at Death Valley National Park.

Nevada, the “Silver State,” is well-known for mining precious metals. But scientists Dennis Bazylinski and colleagues at the University of Nevada Las Vegas (UNLV) do a different type of mining.

They sluice through every water body they can find, looking for new forms of microbial magnetism.
In a basin named Badwater on the edge of Death Valley National Park, Bazylinski and researcher Christopher Lefèvre hit pay dirt…

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Crowdfunding temporarily halts oil extraction in Ecuador

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No drilling here for now.

Ecuador had agreed last year to accept money in exchange for not drilling foroil in Yasuní National Park, an area of the Amazon rainforest that last year set a record for the most mammal, bird, amphibian and plant species in the world.

But a fundraiser was held last night that collected the $116 million necessary to temporarily halt exploitation of the area for oil…

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How people are turning to Facebook for organ donors

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Damon Brown’s Facebook plea for a kidney paid off.
These days people are using Facebook for a lot more than looking at friends’ photos or playing addictive word games. Facebook and other social media sites are quickly becoming a go-to place to find a generous person with a kidney to spare.

5 homes with amazing staircases

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Staircase slide and bookcase staircase

Circular stairs were commonplace in castle towers during medieval times. Staircases were designed to go the same direction all the way around, ascending clockwise, to suit right-handed swordsmen for ease in hindering the attacker. Fast forward to the late 1800s and stair design changes dramatically when steel and reinforced concrete are introduced, and the use of dramatic curves and fantastic sweeps become important elements in staircase workmanship. Even today, stair-crafting ingenuity continues, with many staircases doubling for incredible feats of gravity and eye-popping works of art. (Pics)

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