You can also use this simple technique when you’re going through something stressful, like getting a blood sample drawn.

当你承受压力时，例如在抽血采样时，不妨采用这一简单的方法。

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In the study, the authors used Hirisplex to predict hair colour phenotypes in a sample drawn from three European populations.

BBC: Forensic test can predict hair and eye colour from DNA

If the document sample drawn from the population is too small, the defendant might unwittingly produce far fewer than 80% of the responsive documents due to erroneous calculations resulting from flawed sampling procedures.

FORBES: Guest Post by Matthew Nelson

The World Bank looked at a sample drawn from 52m migrants in 20 rich countries in 2000 and found that 36% of them had a college education, a sharp rise on a decade earlier.

ECONOMIST: Open up | The