Study offers new look at brain’s nonstop updates

Joseph Dunsmoor, a postdoctoral fellow in cognitive neuroscience at New York University, led the team of researchers who conducted the memory study.

Joshua Bright/New York Times

The surge of emotion that makes memories of embarrassment, triumph, and disappointment so vivid can also reach back in time, a study has found.

The edge of Folsom Lake near Folsom, Calif., during a drought in October.

Even without El Niño, 2014 was hottest year on record

The announcement underscored warnings about the risks of runaway emissions and undermined claims by climate-change contrarians.

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‘Anonymized’ credit card data not so anonymous, study shows

Scientists showed they can identify you with more than 90 percent accuracy by looking at just four purchases.

Astronomers find solar system more than double ours in age

A newly discovered solar system — with five small rocky planets — makes ours look like a baby.

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More tips on banishing woodchucks — and moles

R. Wayne Mezitt answers your questions about plants, design, function, and more.

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// The promise and limits of ‘mental health first aid’

New programs are training laypeople to deal with psychological emergencies — but how much do they actually help those in crisis?


// Boston Globe Instagram photos

A live stream of Instagram posts from The Boston Globe photo department.