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Antarctic Ice Bridge Collapses

Where: AntarcticaApril 4, 2009 : A satellite picture from the European Space Agency (ESA) showed that a 40 kilometre long strip of ice had splintered at its narrowest point, about 500 meters wide. It was believed to have pinned the Wilkins Ice Shelf in place. The Wilkins Ice Shelf once covered around 16,000 square kilometres. It began...

There are no penguins in the Arctic. Penguins…

There are no penguins in the Arctic. Penguins are only found south of the equator. The two species of penguins living in Antarctica are well suited to the cold. Their feathers form windproof, waterproof coats which are so warm that sometimes the penguins can get too hot. Then they ruffle their feathers and hold out their flippers to cool...

One-tenth of the Earth’s surface is always…

One-tenth of the Earth's surface is always under the cover of ice. And almost 90 per cent of that ice is to be found in the continent of Antarctica. The remaining 10 per cent is found on the mountains in the form of glaciers. The ice sheet that covers Antarctica is almost one-and-a-half times the size of America. The...

Penguin Sweaters

Oil spills can have a devastating effect on marine life. After an oil spill, one of the most important jobs of rescuers is to fish out oil soaked birds and animals, clean them and rehabilitate them before releasing them into the wild again.Recently, after an oil spill in the Australian waters, environmentalists claimed that the oil slicks were threatening...

Great White Sharks Heading for Extinction

Great White Shark breaching for attack
If you want a beach crowded with surfers and swimmers and other sun worshippers to empty out within a minute, cup your hands by the side of your mouth and shout loudly, 'SHARK' and wait for this miracle to happen.Because the very word conjures up images from Steven Spielberg's movie 'Jaws'. An image of a gaping mouth with rows...

High-tech Crane Migration

Sandhill Cranes in flight at sunset
As winter sets in, millions of birds leave their nests in the northern hemisphere and head towards warmer lands in the south. During spring, they once again wing their way back to their original nesting grounds. This yearly ritual is known as migration.While some birds are great travellers, flying from one country to another; others merely flap down from...

How are Frogs Different From Toads?

The red-eyed tree frog (Agalychnis callidryas) is native to rainforests in Central America.
If you travel back tens of millions of years to the age of dinosaurs, you may possibly hear a rhythmic musical croaking from marshy ponds or even under your feet. And if you look closely you would probably find the common frog goggling away at you.Amazing isn't it? Not many people know how ancient frogs are. Scientists have traced...

Why do Flies have Compound Eyes?

A macro portrait of the compound eye of a fly
Just like a man woos the woman he loves, takes her to nice restaurants, buys her presents, and courts her to impress her before marriage, animals too choose their mates through courtship.Since animals cannot do all these, they do it differently. Some animals put up a colourful display, while others give little gifts to their beloved - a choice...

Rocky Planet of Fire and Ice

Kerlingarfjöll Mountain in Iceland.
Would you believe it? The soft sand that we sink into on the beach is actually rock? Sand is what a rock becomes after years of being worn down by rivers. Years of sea waves crashing against huge rocks and cliffs makes rocks break into small particles. And ultimately, they end up as sand. The colours of sands --...

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