Inside Canada's polar bear 'jail' where bears go without food and are kept behind bars — but it's not what you might think

Tech Insider
Seven polar bears stand on a sheet of ice as the sun set behind them.
Bears walking on the ice flats outside the town of Churchill, Canada.

Johnny Johnson / Getty Images

The Earth has tilted on its axis differently over the last few decades due to melting ice caps

Tech Insider : Environment
The Earth is shown in a picture taken from space, from above its pole.
NASA's asteroid-bound NEAR spacecraft took this mosaic image of Earth in January 1998.

NEAR Spacecraft Team/JHUAPL/NASA

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