If you need just a tiny boost to make it through the rest of Friday, you can have a click through these fascinating photos.
They're enough to help you forget everything that's been driving you up the wall this week, even if it's just for a little while, and you might learn a thing or two in the process.
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Jane Goodall and a Chimpanzee.
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Marilyn Monroe at President John F. Kennedy's birthday party, 1962.
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"The Friendship Kiss." Russian and US soldier, Germany 1945, colorized.
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Egyptian street vendor selling mummies, circa 1870.
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An actual photo of the very moment lightning hits the water.
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A woman wearing a special mask for fighting unhappiness, Budapest, 1937.
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Marie Curie, the first person to win a Nobel Prize twice.
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The first self propelled Taxis in London, Walter Bersey’s 1897 cab.
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Jamie Lee Curtis and Lindsay Lohan on the set of Freakier Friday.
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Japanese school teachers train in the use of the sasumata; a capturing tool descended from samurai weaponry.
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In Japan, they use these for safety.
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Jose Meiffret, a cyclist who set a world motor-paced speed record of 127.243 mi/h on this bike behind a Mercedes-Benz 300SL on the German Autobahn on July 19, 1962.
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“Arctic Dragon” by Carina Letelier Baeza is on the Astronomy Photographer of the Year shortlist.
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The rat-sized Giant Wood Moth has a wingspan of up to 10 inches, and can weigh as much as 30 grams, making them the heaviest moths in the world.
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At the 1982 World Cup, before a last group stage match between Austria and West Germany, both teams knew that a German win by one goal would see both advance to the next round. Germany scored in the first 10 minutes and the match came to a standstill. The match is now known as the Disgrace of Gijón.
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Ancient Egyptians developed a pregnancy test with a 70-80% accuracy rate over 3,000 years ago. Like modern tests which detect the HCG hormone in urine, Egyptians used barley or wheat seeds which sprout faster in the presence of HCG, indicating a pregnancy.
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A person caught the same fish a month and a half later.
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Glurpo, the world's only underwater clown, Performed at Aquarena Springs in San Marcos, Texas. 1960.
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Letter from a trapped coal miner says goodbye to his wife, 1902.
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A wave maker in action.
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Meteor passing through Aurora.
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A man whose wife was lost in Japan's 2011 tsunami still goes diving every week in hope of finding her body, 11 years later.
