Back in the '70s, researchers using mathematical calculations came up with the idea that recent human evolution — within the last 250,000 years, or since the emergence of modern man — was likely governed by selective sweeps. During a sweep, an adaptation would emerge and quickly spread throughout the population, driving evolution and leaving behind traces in the human genome. Some studies of selective sweeps, in humans and other organisms, suggest that they underlie much of human evolution.

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Consulting company McKinsey says diagnostics companies will have to combine genomic data analysis, electronic medical records, effective reimbursement strategies, and regulatory compliance in order to win.

A new report has found that researchers in Africa are still heavily dependent on funding from organizations in the US, Europe, and China, Nature News says.

An article in The Atlantic argues that the progress being made in science isn't keeping pace with the money and time being spent on research.

In Science this week: a CRISPR screen identifies sideroflexin 1 as a requisite component of one-carbon metabolism, and more.