It’s Alarming: What Wakes You Up Each Morning?

The study, carried out by researchers in Australia, involved 50 people. The study subjects answered questions about the alarm sound they like to wake up to, how they feel about that sound and how they feel when they wake up. The findings appeared this month in the publication PloS One.

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Babies are willing to give up food, showing altruism begins in infancy, study says

Picture this: a 19-month-old hungry baby picks up a delicious snack, but instead of gobbling it up gives it to an adult who appears to want it, too. Now imagine dozens of different babies of the same age doing the same. And that’s exactly what happened during a study published Tuesday that tests the beginnings of altruism in humans.

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Why Do We Have Fingerprints?

In 1910, Thomas Jennings fled a murder scene, but he left behind a clue that would seal his fate: a perfect impression of his fingerprints in the drying paint of a railing, outside the house where he’d committed the crime. Jennings’ fingerprints were the first ever to be used as evidence in a criminal investigation, and they led to his conviction for murder in 1911.

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