A question recently posed to primary school students in China has left social media users scratching their heads.
Researchers have identified what is thought to be the earliest known example of a physical practical joke.
Marine archaeologists have discovered the earliest known example of an astrolabe navigation tool.
The extremely rare find is one of only a few examples of conjoined twins ever seen outside of humans.
Scrolls from the time of the volcanic disaster that buried Pompeii have been examined by scientists.
The SuperSTEM 3 is capable of examining objects a million times smaller than a human hair.
A new study has examined how religious and political affiliations affect how we perceive morality.
Astronomers have conducted the most detailed examination yet of a Jupiter-sized planet's atmosphere.
Calls from psychics offering clues about the Madeleine McCann case are to be investigated by police.
New examination of a 425-year-old map offers a clue to an enduring mystery - the fate of Roanoke Colony.
A new study has examined the connection between intuitive thought, analytical thinking and religion.
Space experts have been investigating a strange metallic object that fell from the sky over Siberia.
A 34-year-old mother woke up one day believing she was still 15 and about to sit her school exams.
A Confession app for the iPhone helps penitents examine their actions and seek spiritual guidance.
Detailed examinations of human and neanderthal teeth have helped to highlight our differences.
Anthony Bragalia examines how evidence from the Roswell Incident may have been covered up.
New research in to paranormal sounds recorded during the Enfield Poltergeist case have found the audio "non-human".
Marine experts have been examining a new photograph taken of an alleged sea creature off the coast of Devon.
Scientists are examining the different layers of paint used by Da Vinci in order to try and crack the Mona Lisa's smile.
A bear killed by an inuit hunter could be a rare example of a cross between a polar and grizzly bear.