List of largest protected areas

The World Database on Protected Areas (WDPA) is compiled and managed by the World Conservation …

Speed of light

The speed of light in vacuum, commonly denoted c, is a universal physical constant exactly …

Gansu

Gansu is a province in Northwestern China. Its capital and largest city is Lanzhou, in …

Peacemaker (TV series)

Peacemaker is an American superhero television series created by James Gunn for the streaming service …

John Bardeen

John Bardeen was an American physicist. He is the only person to be awarded the …

Sogen Kato

Sogen Kato was a Japanese man thought to have been Tokyo's oldest man until July …