Since 1970, up to 30 young women have gone missing along a stretch of Interstate 45 between Houston and Galveston known as the Texas Killing Fields — and police believe some of them could be the victims of a single unknown serial killer.TwitterBetween 1984 and 1991, the bodies of four young women turned up in the Texas Killing Fields. Their killer has never been caught. In League City, Texas, between Houston and Galveston, there is a 25-acre field, a desolate, swampy stretch of land with little more decorating its landscape than old oil rigs and scarcely-tread dirt roads.

After her husband was executed by the King of France, Jeanne de Clisson set off on a quest of piracy and bloody justice.YouTubeJeanne de Clisson and her “Black Fleet” plundered French ships in the English Channel during the Hundred Year’s War. In the mid-1300s, black ships with red sails struck terror into the hearts of French sailors. This was the ‘Black Fleet,’ and though comprised of only three ships, these pirates plundered the French king’s warships leaving only two or three sailors alive to tell the tale.

For nearly a decade in the mid-Victorian era, Mary Ann Cotton poisoned a string of her husbands for their insurance money as well as anyone else who got in her way — including 11 of her own children.In 1872, the widow Mary Ann Cotton wanted to marry for the fifth time. Her previous husbands had almost all died under mysterious circumstances and she was forced to watch over her seven-year-old stepson, Charles Edward Cotton, whose care now prevented her from remarrying.

In the 1970s, Bantu Steve Biko fought against South Africa's racist regime until his brutal death.Wikimedia CommonsSteve Biko’s powerful ideas inspired South Africans to topple the racist apartheid regime. In 1970s South Africa, black people lived under a racist apartheid regime that forced them to live separately from whites. Activist Steve Biko dedicated his life to fighting this injustice, empowering South Africa’s downtrodden people and popularizing the idea that “black is beautiful.

Researchers found 12 ancient hepatitis B genomes, including one variation of the virus that's now-extinct.Hepatitis B virus (HBV) is a major cause of human hepatitis, which afflicts over 250 million people. Now, we know that is has been infecting people for at least 4,500 years. Research published in the journal Nature on May 9, 2018, revealed that Hepatitis B was found on skeletons from the bronze age, making it the oldest human virus ever discovered.