Lentil As Anything, a successful Australian restaurant, allows its customers to pay whatever price they feel like paying for the food.
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After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
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A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A woman named Rachel Krishevsky who died at age 99 had 1,400 direct descendants.
17
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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