Explore the history and discoveries of Isaac Newton, including his work in mathematics and optics and his groundbreaking...
Learn moreThis article is about the inventor. For the consumer advocate, see Robert S. Adler. Robert Adler (December 4, 1913...
Learn moreAristotle (; Greek: Ἀριστοτέλης [aristotélɛːs], Aristotélēs; 384 - 322 BC) was a Greek philosopher and scientist...
Learn morePayPal is the faster, safer way to send money and make an online payment or set up a merchant account.
Learn moreAlbert Einstein was born in Ulm, in the Kingdom of Württemberg in the German Empire on 14 March 1879. His parents...
Learn more