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A recent encounter between a human diver and a humpback whale has illustrated how concern for the safety of others can reach across species. Marine biologist Nan Hauser was on an expedition to the South Pacific’s Cook Islands to study whales for a film that she is making. But while diving with a humpback whale, her 25-tonne subject appeared to be attacking her, at least at first. But what she learned after extricating herself from the leviathan’s advances made her see the whole situation in a completely different light.
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Of many mysteries surrounding the area known as the Bermuda Triangle, a recent emergence of a mile long sandbar, dubbed "Shelly Island" by a child collecting shells, has attracted much attention from the community nearby at North Carolina’s Hatteras Point. This type of land mass often appears only to be swept away again by the southbound Labrador Current whose cool waters cause unruly conditions when met by warmer waters of the Gulf Stream.
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Climate change is already upon us, experts say, and we are already feeling its adverse effects in the form of extreme weather events: scorching temperatures leading to droughts, torrential rains causing widespread flooding, and record freezes bringing feet of snow.

But what of the less obvious effects of global warming?

It seems that climate change is impacting life across the whole planet in the most unexpected ways: a new study suggests that the increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food.
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