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TIL Scientists made a tractor beam

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WkxK8 TIL a hunter in Brazil was "hugged" to death by a Giant Anteater. Anteaters have strong arms and long claws that can easily lacerate people.
GYno1 TIL that 2,000-year-old seeds were discovered in 1963 inside an ancient jar in Israel. They were planted in 2005 and a tree that had been extinct for over 1800 years sprouted.
OGLe4 TIL about the uncanny valley, which describes the unsettling feeling caused by a robot or computer generated model that looks almost human but is not convincing enough to look like an actual human
LkggP TIL The honeyguide bird is the only known animal that will, untrained and uncoerced, lead humans to honeycombs that would be otherwise difficult for a human to locate without their help. This teamwork benefits the human and honeyguide bird by making finding and eating the honeycomb easier.
K7Pw TIL that, in April 2011, two competing algorithms on Amazon.com each kept altering the price that they were selling a book about flies for based on how much the other was charging. After ten days of price warring, the price of the book had climbed to $23.7 million.