In a study that was done by the University of Chicago in 1907, it was concluded that the easiest color to spot is yellow. This is why John Hertz, who is the founder of the Yellow Cab Company picked cabs to be yellow.

Seven asteroids were especially named for the Challenger astronauts who were killed in the 1986 failed launch of the space shuttle.

Plant seeds that have been stored for more than 200 years can be coaxed into new life.

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