How pupil size during sleep helps sort new and old memories and enhances memory retention, and the latest on last week's Mercury fly-by. Plus, on This Day in History, Henry Ford’s plastic automobile.

Pupil size in sleep reveals how memories are sorted, preserved | ScienceDaily

Spacecraft buzzes Mercury's north pole and beams back stunning photos | AP News

Stunning Close-Up Images Reveal Mercury’s Icy Craters and Volcanic Plains | SciTechDaily

Soybean Car - The Henry Ford

Henry Ford's Plastic Hemp Car | January 13th, 1942

This Day in Patent History – On January 13, 1942, Henry Ford patented a Soybean car (a plastic car), which is 30% lighter than a regular car – Patent Yogi LLC

The Rearview Mirror: Henry Ford’s Plastic Fantastic Car - The Detroit Bureau

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