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British swimmer, Adam Walker had enough to worry about as he took on the freezing ocean in a grueling eight hour and 36 minute swim across the Cook Strait on Tuesday. But he had his mind taken off the extreme temperature when he noticed a two metre shark-shaped figure swimming beneath him in the New Zealand waters. Luckily enough, the shark never attempted an attack as a pod of dolphins soon
The Moon’s orbit about the Earth is not perfectly circular, so that at different times the Moon can be slightly closer or further away than usual. This composite shot shows the progress of an annular eclipse in May 2013. | Jia Hao/The National Maritime Museum The sun will look like a ring of fire above some remote parts of the world next Tuesday (April 29) during a solar eclipse, but most p
Jeff Templin is a amateur photographer. He says he’s seen it all until now. While taking pictures of wildlife back in February, something caught his eye. He said it looked like an unusual contrail. “Right over the city, clear as a bell,” said Templin. “Anyone that was looking up would have seen it. You don’t usually see military or even civilian aircraft’s jets that leave cont
photo credit: Paul Nicklen/National Geographic/YouTube Leopard seals are huge predators who mostly live in and around Antarctica. Though they will eat small fish and krill, they are the main predator for penguins. These seals can reach up to 3.5 m (11.7 ft) in length and tip the scales at up to 600 kilograms (1,320 lbs). They have massive sharp front teeth used for shredding meat and can
Four recently detected “blitzars” (red stars) have revealed that these sources of fleeting radio bursts are much more distant than known pulsars (black dots) (Image: C. Ng/MPIfR) You have almost certainly heard of quasars, white dwarfs, neutron stars, and pulsars. However most people don’t really know too much about the grouping of stars that are called “blitzars.” This isn’t too
Her jaws clamped firmly around the scruff of her tiny cub’s neck, this plucky lioness is taking no chances as she tackles a risky river crossing. As her nine-week-old youngster dangles beneath her, the mother skips gingerly between impromptu stepping stones. These stunning images capture the heart-stopping moment the lioness braved choppy waters, clasping her little one’s nape, as she ma