Age dating contamination

01 Mar

Over this time, the proportion of Neanderthal DNA decreased from 3–6% to around 2%, consistent with natural selection against Neanderthal variants in modern humans.

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S.), and its use has been dramatically restricted in others.

Choose: No Frames Layout Choose: Human Evolution Frames .

I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.

Supporters of asbestos have argued that chrysotile isn't as toxic as other asbestos types, yet scientific studies confirm that it causes the same diseases and is extremely hazardous to human health.

Considered more toxic than chrysotile, amosite asbestos is primarily sourced in South Africa.