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TIL Cats will make a unique chirping sound when they get frustrated about prey they can see but cannot catch.

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7rBpP TIL archaeologists found traces of burnt cannabis on an altar in an ancient Jewish shrine, the first time cannabis has been identified in the Ancient Near East. Scientists believe there was sufficient THC to create a mind-altered state in those breathing the fumes.
yQoGv TIL of Emergence, the phenomenon of complex systems, like ant colonies and cells, coming from simpler pieces.
WkXeX TIL Microfilm, a way to store documents by photographing them and reducing the size of the photograph up to 99% of the original. Is surprisingly robust, being difficult to destroy and can apparently last up to 900 years.
6EyJ TIL some hospitals cut the Livestrong bracelets from patients’ wrists because they resemble the yellow “Do Not Resuscitate” bands.
xmJb TIL that ceiling height of a particular room can influence the thinking of people in that room. High ceilings make people more creative, whereas low ceilings make people pay more attention to details.