The waka is believed to have been hidden by the Māori people in 1869 to prevent British colonizers from confiscating it.

The ancient mummy is thought to have been sacrificed as part of a ritual surrounding the completion of a temple.

From the Little Albert Experiment that terrorized a helpless infant to the Monster Study that tried to turn non-stuttering children into stutterers, these are some of the most disturbing psychology experiments ever performed on humans.

Our Living Islands is an initiative that aims to revitalize the Irish islands by restoring their dwindling populations and adding a host of other quality-of-life improvements.

Between February and May 1971, Juan Corona killed 25 migrant workers with a machete and buried their bodies in crude, shallow graves near Yuba City, California.

Bob Ross spent most of his 20 years in the U.S. Air Force stationed in Alaska, where he fell in love with the scenery and took a life-changing interest in painting.

Cedric Lodge and his wife, along with four others, face charges of conspiracy and transporting stolen goods across state lines.

Researchers believe the synthetic embryos could open up new gateways into embryonic research, but others have raised ethical questions about whether these synthetic embryos could eventually develop into humans.

After being separated from her Sherpa, a woman nearly died on Mount Everest. Fellow climbers found and rescued her, promising one of their own Sherpas that the unconscious woman would pay him a rescue fee. She refused, sparking a social media firestorm.

In February 2010, Tilikum killed his trainer Dawn Brancheau during a performance at SeaWorld Orlando. The incident became the focus of the 2013 documentary Blackfish and sparked public outcry about the mistreatment of captive orcas.

Researchers believe that the dog was a beloved pet, treated well in life and honored in death.