on evolution
Some key mutations were harmful in the short term but survived the forces of natural selection and ultimately played a crucial role in the genetic development of a newly evolved complex function.

How viruses spread
Buffy style

US notches world's highest incarceration rate
If current trends continue, it means that a black male in the United States would have about a 1 in 3 chance of going to prison during his lifetime. For a Hispanic male, it's 1 in 6; for a white male, 1 in 17.

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