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More than half of the genes expressed in the prefrontal cortex, a brain region that is implicated in autism, begin to change their expression patterns in late fetal development, according to a new study. Previous studies have looked at how DNA variants can influence gene expression at specific developmental periods. This is the first to map their effects in a specific region over the full span of human brain development, says co-senior investigator Stephan Sanders, associate professor of psychiatry at the University of California, San Francisco.

As parents and guardians across the country and the world continue to face the herculean task of converting their living rooms into makeshift classrooms, the Mensa Foundation is here to help. We need your support now more than ever to make sure that countless children, including many who are the most vulnerable, continue to receive a quality education. Why Your Support Matters

Metamaterials, which are engineered to have properties not found in nature, have long been developed and studied because of their unique features and exciting applications. However, the physics behind their thermal emission properties have remained unclear to researchers—until now.