Physicist Enrico Fermi discovered the potential of nuclear fission in 1934, when he bombarded uranium atoms with neutrons and was surprised to discover that the products of this reaction were much lighter than uranium. On December 2, 1942, Fermi created... | READ MORE >
In the late nineteenth and early twentieth centuries, sex education in the United States was strongly informed by Victorian values. For instance, sex education of the time taught that sexually transmitted diseases were the result of punishment for... | READ MORE >
As of its current 2008 Red List of Threatened Species, the International Union for Conservation of Nature ( IUCN) has evaluated 44,838 species. Of the total species included, 16,928 are listed as threatened, an increase of 620 species... | READ MORE >
