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Dying before Their Time
Genetically engineered mice that get prematurely old give hints to the causes of aging.
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19437
The teardrop shape of Venus away from the centermost part of the sun simply is caused by the photographic surface being planar, rather than spherical. The image can never be represented without distortion for the same reason that the globe can’t be represented without distortion on a flat map. Robert P. Kelso San Marcos, Texas […]
- Astronomy
Heavenly Passage
On June 8, the black dot of Venus passed across the face of the sun, the first time it did so in 122 years.
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