Known as the immortal jellyfish, Turritopsis Dohrnii's can live forever — and scientists are working to see if they can apply its properties to humans.A fountain of youth exists, and a tiny species of jellyfish can be found swimming around in its eternal waters. Well, not exactly. An invertebrate capable of immortality does exist, but it doesn’t achieve endless life via its swimming location but instead through its unique biological make-up.

According to one theory, Prince Albert Victor, the grandson of Queen Victoria, was responsible for the infamous Jack the Ripper slayings in Whitechapel. Wikimedia CommonsPrince Albert Victor around the time of the Ripper Murders. Few cases haunt the popular imagination like that of Jack the Ripper. For almost five years, the Ripper stalked the dark streets of one of London’s poorest neighborhoods leaving a trail of mutilated bodies in his wake.

Jim Henson was just 53 years old when he died on May 16, 1990, just days after coming down with a severe bacterial infection.Photo 12/Alamy Stock PhotoJim Henson, surrounded by the Muppets. Jim Henson was a revolutionary puppeteer, filmmaker, and actor, best known for creating the Muppets. His career spanned over 30 years, during which he would create iconic characters like Kermit the Frog, Big Bird, Oscar the Grouch, and Cookie Monster.

A new study shows alarmingly high levels of prescription drugs in the region's fish. Wikimedia Commons The United States doesn’t always have the cleanest waterways, but researchers were still shocked to find high buildups of antidepressants in fish living around the Great Lakes. A new joint Thai-American study discovered high concentrations of the drugs in human antidepressants in 10 fish species living in the Niagara River that connects Lake Erie and Lake Ontario, the Niagara Gazette reports.

Newton Knight led a small army of fugitive slaves and Confederate deserters to create the Free State of Jones.In the backwoods of Mississippi, there lies a tiny plot of land called Jones County, better known as the Free State of Jones. During the Civil War, the Free State of Jones was established by a man named Newton Knight, who did one of the most unthinkable things a white southern man at that time could do: took on the Confederacy — and won.