This Week in Science

In this week's Science, a team of Korean researchers reports data showing how certain genes are repressed at specific times following memory formation, giving new insights into how long-term memories are formed. Using ribosome profiling and RNA sequencing, the researchers examined the mouse hippocampus after fear conditioning, a process in which electric shocks were administered to the animals in particular environments, at different time points after conditioning.

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The London School of Economics' Daniele Fanelli argues at the Proceedings of the National Academy of Sciences that the reproducibility crisis in science isn't as dire as some say.

A team of researchers in Portugal has examined the genomic basis for racing pigeons' athleticism and navigational skills, finding it's likely polygenic.

Wired reports that diagnostic firms continue to seek, post-Theranos, the ability to diagnose diseases from small amounts of blood.

In Science this week: analysis of DNA from ancient North Africans, and more.