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TIL the efficiency of LEDs doubles every 36 months.

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6ZwQ TIL American workers burnout faster than workers in any other country
grZY8 TIL that the European Union suppressed a 300-page study that found piracy doesn’t harm sales
7rOR7 TIL Johnny Cash has a younger brother called Tommy Cash, who is also a singer-songwriter and had songs like "I Didn't Walk the Line" and "My Mother's Other Son"
78WRp TIL: The earliest recorded famine which occurred in Egypt in 3500 BC was preserved visually in a relief that survives on the causeway of the Fifth-Dynasty Pyramid of Unas in Sakkara
v1Rx7 TIL that administering testosterone to patients with social anxiety disorder has been found to increase their willingness to face situations which are perceived as socially threatening.