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Sun and moon trigger deep tremors on San Andreas Fault
Space & Earth / Earth Sciences
20 hours ago |
4.5 / 5 (2) |
1
The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...
Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
3.7 / 5 (9) |
0
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
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