Do thoughts of death change our shopping habits?

It's that time of year again: when festive ads command consumers to BUY! BUY! BUY! for their friends and family. But despite this holiday cheer, negative news marches on.

Facebook rolls out suicide prevention to users worldwide

Facebook said Wednesday that it will extended its suite of anti-suicide tools to users worldwide, simplifying the process for worried users to flag postings by friends who may be considering harming themselves.

Study links gang membership and depression

Kids who decide to join gangs are more likely to be depressed and suicidal - and these mental health problems only worsen after joining, finds a new study co-authored by a Michigan State University criminologist.

Rise of the Machines: Keep an eye on AI, experts warn

A Google computer's stunning 3-0 victory in a Man-vs-Machine face-off over the ultimate board game highlights the need to keep Artificial Intelligence under human control, experts said Saturday.

Largest rocky world found

We thought we understood how big rocky planets can get. But most of our understanding of planetary formation and solar system development has come from direct observation of our own solar system. We simply couldn't see any ...

Explainer: How do satellites orbit the Earth?

Take a look at the moon and it isn't hard to imagine it as a planet. A 3,476 kilometres-in-diameter ball of rock, with basalt plains and mountain ranges, whose gravitational pull produces tides here on Earth.

Should your driverless car kill you to save a child's life?

Robots have already taken over the world. It may not seem so because it hasn't happened in the way science fiction author Isaac Asmiov imagined it in his book I, Robot. City streets are not crowded by humanoid robots walking ...

Sociology professors asks 'Is teenage suicide contagious?'

A paper on teenage suicide written by two assistant professors of sociology at the University of Memphis will be published in the field's flagship journal, the American Sociological Review, in April. "Are Suicidal Behaviors ...

Can light orbit a black hole?

Since black holes are the most powerful gravitational spots in the entire Universe, can they distort light so much that it actually goes into orbit? And what would it look like if you could survive and follow light in this ...

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