Also referred to as the midnight sun, a polar day occurs when the sun does not set for an entire day, or 24 hours. It is called the midnight sun, because the sun is often still shining at midnight. This phenomenon can occur for just one day or six months, depending on how far away from the equator a region is.
She is Europe's oldest living person and has attributed her longevity to eating several raw eggs a day. The oldest person ever to have lived was the French woman Jeanne Calment who died aged 122 years and 164 days, according to Guinness World Records.
UPDATE (Oct. 4, 10:43 a.m.): Youâre reading a vintage FiveThirtyEight story. Since this article was first published in May, the worldâs oldest living person has changed. It is now Susannah Mushatt Jones, a 116-year-old who lives in Brooklyn. As the oldest person in the world, Gertrude Weaver was making the best of her time in the limelight.