Showing posts with label animals. Show all posts
Showing posts with label animals. Show all posts
26.10.09
21.6.09
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Word of the Day
frequency discuss | |
| Definition: | (noun) The number of occurrences within a given time period. |
| Synonyms: | oftenness |
| Usage: | The frequency of his seizures increased as he grew older. |
Word of the Day
provided by The Free Dictionary
This Day in History
  USSR Begins Drilling World's Deepest Hole (1970)The Kola Superdeep Borehole project was an attempt to dig as far as possible into the Earth's crust. It began when, in 1970, following setbacks in the Space Race, Soviet scientists looked downward. Digging on the remote Kola Peninsula for some 20 years, they reached a depth of 40,230 feet (12,262 m)—about a third of the way through the Earth's crust—before being forced to stop due to higher-than-expected temperatures of 350° F (180° C). Surprisingly, water was found at what depth? More... Discuss |
This Day in History
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