Everyone alive may carry DNA from a ‘ghost lineage’ of human ancestors. In a new

TIL that when construction of Florence Cathedral began in 1296, its designers planned a massive dome even though no one knew how to build it. More than a century later, Filippo Brunelleschi solved the

TIL that role playing games like D&D, can be used in therapy for things such as anxiety.

TIL that CERN physicists wrote parody lyrics for Howie Day’s 2004 hit “Collide” from the perspective of a proton in the Large Hadron Collider. Day saw their parody on Twitter and contacted CERN himsel