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Global Warming: Melting kingdom of the Polar Bear
Through the long and dark Arctic winter, the mother Polar Bear sat quietly in her den. She had given birth to her cubs, and was waiting for them to grow strong enough to follow her out to the ice pack. The ice pack is her refrigerator, the place where she gets her food. It’s quite literally a floating, rotating gyre or “cap” of ice that covers the Earth’s northern pole. Along its edges of cracked and broken ice swims the Polar Bear’s food: ringed seals, bearded seals, harp and hooded seals and, occasionally, carcasses of beached beluga whales, walruses, narwhals, and bowhead whales....
Do Whales and Dolphins see Blue?
Dolphins and whales live in the deep blue sea, but strangely these animals are not able to see the colour blue! Leo Peichl of the Max Planck Institute for Brain Research in Frankfurt and his colleagues discovered during routine tests that seals do not respond to the blue colour. Intrigued, they carried out similar tests on few other species, such as dolphins and whales, and found the same results. According to fossil evidence, whales are believed to have descended from a four-legged primitive ungulate (hoofed mammal) which lived on land and was similar to the modern day hippopotamus....
What Lies Beneath?
What Lies Beneath? [Illustrations by Shiju George] October 28: When archaeologist Donny Youkhanna started excavating an ancient mound in the Umm al-Ajarib cemetery, located 400 km of Iraq’s capital Baghdad, he had no idea what he was going to unearth. He dug up a huge graveyard belonging to the ancient civilization of Sumer, which flourished in Iraq nearly 5000 years ago, says an Associated Press report which appeared in The Times of India....
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