This Week in Nature

In Nature this week, a group of US and Chinese investigators presents a genetic analysis of the improved yields from hybrid rice compared with inbred parent varieties — a phenomenon known as heterosis. They report large-scale genomic mapping for yield-related traits and effects by analyzing over 10,000 rice lines derived from 17 representative hybrid rice crosses, classifying modern hybrid rice varieties into three groups representing different breeding systems.

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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.