A laser is a device that emits light through a process of optical amplification based on the stimula...

Alan Mathison Turing was an English mathematician, computer scientist, logician, cryptanalyst, philo...

SARS-CoV is thought to be an animal virus from an as-yet-uncertain animal reservoir....

Spiez Castle is a castle in the municipality of Spiez of the Swiss canton of Bern. It is a Swiss her...

League of Legends (LoL) is a multiplayer online battle arena video game developed and published by R...

Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence o...

Sayyid Ruhollah Mūsavi Khomeini (24 September 1902 – 3 June 1989), also known in the Western world a...

Sojourner Truth (1797 – November 26, 1883) was an African-American abolitionist and women's rights a...

Franklin Delano Roosevelt (January 30, 1882 – April 12, 1945), often referred to by his initials FDR...

Rosa Louise McCauley Parks was an American activist in the civil rights movement best known for her ...