› added 12 years ago

149

TIL there is something called the “CSI effect”. Because of television crime dramas, jurors have unrealistic expectations of forensic science and investigation techniques

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d81J9 TIL about the Sole Survivor Policy in the United States military, which protects "only sons/daughters", "the last son/daughter to carry the family name", and "sole surviving sons/daughters" only during peacetime.
ZpYj4 TIL orcas are a part of the dolphin family
YZmP TIL that a study from Australia found sniffer dogs produce false positives 80% of the time. “No test which has an 80 per cent error rate could be considered a reasonable basis on which to conduct an intrusive public search of a citizen going about their daily business.”
0wZXL TIL of Samoset, the first Native American to make contact with the Pilgrims of Plymouth Colony. He entered the settlement unannounced, greeted the colonists in English (which he had learned from fishermen in Maine), and asked for beer.
BgQRk TIL that veins only appear blue because if the way wavelengths of light hit the skin