FACTS OF THE DAY

21 September 2017

Sleep deprivation is an effective antidepressant in up to 50% of cases.

newatlas.com

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A new AI algorithm can predict the onset of Alzheimer’s with 80% accuracy ten years before the symptoms show.

times.co.uk

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Some societies have 15 words for fear, while others don’t even have a word for worry.

bbc.co.uk

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President Macron is considering a new law that could prosecute French men for wolf whistling or repeatedly asking women for their phone number.

thetimes.co.uk

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Temperatures on Mercury range from 800 °F (427 °C) during the day to –290°F (– 180 °C) at night).

newatlas.com

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A new study has identified 14,003 species of plants in the Amazon, including 6,727 types of tree.

atlasobscura.us