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Fact A day on Venus is longer than its year The planet turns so slowly that it laps its own calendar. 1 min read Fact Shuffle a deck properly and you have almost certainly made history That exact order has, in all likelihood, never existed before in the history of the world. 1 min read Fact The appendix may be a bacterial safe house Long dismissed as useless. It might be a backup drive for your gut. 1 min read Fact Sunlight is tens of thousands of years old before it leaves the Sun Eight minutes to reach you. Far longer to reach the surface. 1 min read Fact Your stomach would digest itself without constant repair The lining is replaced every few days, because the alternative is being eaten from the inside. 1 min read Fact Your mitochondria come only from your mother An unbroken maternal line, traceable back tens of thousands of years. 1 min read Fact The Moon is drifting away from us About 3.8 centimetres a year, and it is slowing Earth's spin as it goes. 1 min read Fact Your skeleton is younger than you are Bone is not scaffolding. It is a slow river. 1 min read Fact Your DNA would stretch to the sun and back many times over Two metres per cell, and you have tens of trillions of cells. 1 min read Fact Days were shorter when dinosaurs were alive Late Cretaceous days ran about 23 and a half hours. Growth rings in shells recorded it. 1 min read