The sun’s pull on our moon is twice that of the Earth.

As incredibly large as Lubbock’s current Prairie Dog Town is — seven acres — it is only a fraction of the size of a much larger town that existed about a half-century ago.

The official birthday of the Environmental Protection Agency is Dec. 2, 1970. But many environmental ideas first crystallized in 1962, the year Rachel Carson’s Silent Spring was first published. The book attacked the indiscriminate use of pesticides.

Africa’s chimpanzee population has dropped an estimated 95% in the last century, largely due to hunting/poaching.

You can’t tickle yourself.

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