A Russian woman lived with an inch-long needle in her brain for 80 years, likely because her parents tried to kill her as an infant, doctors say

An 80-year-old Russian woman has been living with a needle in her brain since birth, doctors said. The Sakhalin Ministry of Health wrote that it discovered the inch-long needle sometime this year. They believe she was the victim of a failed infanticide by her parents during times of famine. An inch-long needle was discovered in … Read more

A New Proof Strikes the Needle on a Sticky Geometry Downside

The unique model of this story appeared in Quanta Journal. In 1917, the Japanese mathematician Sōichi Kakeya posed what at first appeared like nothing greater than a enjoyable train in geometry. Lay an infinitely skinny, inch-long needle on a flat floor, then rotate it in order that it factors in each path in flip. What’s … Read more