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TIL Russia has a retirement age of 55 for Women and 60 for Men.

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rRBnM TIL It takes thousands of years for sunlight to travel from the Sun’s core to its surface and then only ~8 minutes to reach us.
nekkb TIL Gray wolves were reintroduced into Yellowstone National Park in 1995, resulting in regeneration of the entire ecosystem [Trophic cascade]. After the wolves were driven extinct regionally nearly 100 years ago, scientists began to fully understand their role in the food web as a keystone species.
NXknb TIL that Juan de Pareja, the slave of the Spanish artist Velazquez, became a skilled artist in his own right by observing his master's techniques and practising them in secret.
o6Wo TIL all vanilla beans must be hand pollinated because the only species of bee capable of pollinating a vanilla bean orchid is likely extinct.
grvnA TIL Don Quixote, considered one of the first modern novels, is also one of the first stories that uses meta-fiction, as the author plays pretend that his story comes from historical sources and had to search for lost documents and translations to complete it.