Researchers determine how groups make decisions

From Beats headphones' rise to prominence or a political candidate's surge in the polls to how ants and bees select a new nest site, decisions emerging from groups frequently occur without a leader.

Deep underground forces explain quakes on San Andreas Fault

Rock-melting forces occurring much deeper in the Earth than previously understood appear to drive tremors along a notorious segment of California's San Andreas Fault, according to new USC research that helps explain how quakes ...

'Likes' less likely to affect self-esteem of people with purpose

How many likes did I get? The rush of self-esteem that comes with the ubiquitous thumbs-up has more people asking that question, as Facebook and other social media sites offer more ways for friends to endorse photos and posts.

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