A practical way to help the homeless find work and safety | Richard J. Berry

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When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard sign that read “Want a job,” he decided to take him (and others in his situation) up on it. He and his staff started a citywide initiative to help the homeless by giving them day jobs and a place to sleep — and the results were incredible. Find out how your city can replicate Albuquerque’s model with this frank and optimistic talk.

The secret to living longer may be your social life | Susan Pinker

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The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why? According to psychologist Susan Pinker, it’s not a sunny disposition or a low-fat, gluten-free diet that keeps the islanders healthy — it’s their emphasis on close personal relationships and face-to-face interactions. Learn more about super longevity as Pinker explains what it takes to live to 100 and beyond.

Eclipses show wrong physics can give right results

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Math for making astronomical predictions doesn’t necessarily reflect physical reality.

Where does the solar wind come from? The eclipse may offer answers

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A quick-fire polarization camera should help scientists detect the origins of the solar wind during the Aug. 21 eclipse.

We share the Milky Way with 100 million black holes

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New census calculates black hole populations in galaxies big and small.