In 1054, Chinese astronomers noted a bright "guest star" in Taurus that was visible in the daytime for 3 weeks and didn't completely fade out for almost two years. The "guest star" was actually the supernova explosion that created the Crab Nebula, which is located some 6,500 light-years away.
27. The earth's center is 2.5 years younger than the outside as a result of gravitational time dilation.
28. The most celebrated “toilet attendant” was Victoria Hughes who for three decades served in a female public toilet in Bristol. Unexpected national fame came her way at the age of 80 in 1977, when she published her memoirs, called Ladies Mile. She revealed being a confidante of prostitutes.
29. Ice is a mineral just as much as Quartz is. Ice is a naturally occurring compound with a defined chemical formula and crystal structure, thus making it a legitimate mineral. Its only limitation, in comparison to all other minerals, is that it is not stable at room temperature.
30. The Testimony of Truth is a 4th-century Gnostic manuscript that tells the story of The Garden of Eden from the point of view the serpent, a gnostic symbol for divine wisdom and knowledge, in which it depicts God as jealous and the villain in the story.