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TIL that on the 1 year anniversary of it’s completion, the Mars Rover “Curiosity” sang itself Happy Birthday. All alone. On Mars.

Read more news.discovery.com

via reddit.com

M7YXA TIL The sections of the Great Wall of China built during the Ming Dynasty (14th-17th century) were built using sticky rice mortar, which was made with a mix of sticky rice porridge and slaked lime. It has high adhesive strength, sturdiness, waterproofing capability, and prevents weeds from growing.
wAE7 TIL when an elderly hiker was pounced on by a mountain lion that began to tear at his arm, a nearby bear rushed over and attacked the lion, driving it away and saving his life.
VBdGZ TIL if a watermelon is beginning to foam it has a chance of exploding.
Bgvpr TIL that Bosnia and Herzegovina actually has a coastline and is not landlocked by Croatia. A small town in Herzegovina, Neum, connects to the ocean.
evQD TIL that the ‘Red Wedding’ in Game Of Thrones was actually based on a real similar event commonly known as 'The Black Dinner Of 1440’