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The Mind

Scientists scrutinize happiness research

From meditation to smiling, researchers take a second look at studies claiming to reveal what makes us happy

The neurons that make us feel hangry

Neuroscientists think a cluster of cells in the brain that stimulate appetite could be a target for eating disorder therapies

Sex, immunity and the brain

Differences between the immune systems of males and females — in particular, ones involving cells called microglia — might help explain why the risk for conditions such as autism and Alzheimer’s varies between the sexes

A year of missing tests

Standardized tests for K-12 students were largely dropped during Covid, leaving a gaping hole in our understanding of students’ progress.

Pencils down: The year pre-college tests went away

Many colleges and universities stopped requiring the SAT and ACT during Covid. Will they go back to testing in the future? Select: (a) Yes (b) No (c) Depends (d) Not enough information.

Kids of the Covid generation: The road ahead

What will become of children growing up during the pandemic? There’s reason for concern, but the research on resilience is reassuring. A developmental psychologist explains what adults can do to protect youngsters from long-term harm.

The new neuroscience of stuttering

After centuries of misunderstanding, research has finally tied the speech disorder to certain genes and brain alterations — and new treatments may be on the horizon

Making and breaking connections in the brain

The links between nerve cells, called synapses, allow us to learn and adapt, and hold clues to conditions such as autism, schizophrenia and more

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