All fog occurs when there are so numerous water droplets in the air that visibility is hampered. But you will find different kinds of fog, which form in various ways. On cold, clear, calm autumn and winter nights, the ground quickly radiates the heat it absorbed during the day back into the oxygen. As the [...]
Most of the time, moisture in the oxygen is invisible. However, it might type fog or mist that makes it difficult to see even a short way ahead.
The atmosphere contains water nearly all of the time. But most of this is within the form of drinking water vapour – that is, water which has completely [...]
The initial person to land on the Antarctic Peninsula was John Davis, the captain of a seal-hunting vessel that arrived at Hughes Bay in 1821. It was one more 77 years before the initial scientific expedition spent a winter on the frozen continent. In 1911, Roald Amundsen and Robert Scott both led small exploration teams [...]
Once the central part of a tropical supercontinent, Antarctica is now the world’s coldest continent – a polar desert almost completely covered with a permanent layer of ice.
In the winter, Antarctica’s interior is cloaked in constant darkness. Freezing winds rage at up to 320km/h and also the temperature has been known to drop as low [...]
Actually, the Great Leap Forward was much more a Great Lurch Backward. In the rush to boost production, agriculture was seriously disrupted as farmers had been diverted into futile backyard steel production or half-baked engineering schemes. The man-made chaos was compounded by three years of disastrous weather. Up to 20 million people died in the [...]