› added 26 minutes ago

TIL petting a dog for only 18 minutes can raise immunoglobulin A (IgA) levels in our saliva, an antibody that helps protect against infection.

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9YZvX TIL of Philippe Servaty, a Belgian journalist who photographed himself having sex with over 80 girls in Morocco after having promised to take them to Europe. He then he ditched them and published the photos online. Many of the women were incarcerated, killed, or committed suicide.
nl9W TIL that the term “Swan Song” comes from a belief dating back to 3rd century B.C. that the Mute Swan is silent its entire life until it sings one beautiful song right before it dies.
DKle TIL printer ink costs $4,285 per litre. In comparision, Chanel No. 5 perfume sells at 1,600.
R5a7 TIL there is a 1,000,000,000,000 Frames/Second camera that can record light as it moves
Z8a4R TIL: There is a fully intact Roman wine bottle sitting in Germany from the year 350 AD. It's fully drinkable but the Romans added a significant amount of thick olive oil as a preservative.