Newton didn't give second law of motion, says new paper

In Isaac Newton's time, the terms "acceleration" and "second derivative" did not exist, so he could not have deduced F=ma, the second law of motion. This has been unscientifically credited to Newton, says a research paper.

Leonhard Euler honoured with Google doodle on 306th birth anniversary

Google on Monday honoured Swiss mathematician and physicist Leonhard Euler on his 306th birth anniversary with an animated doodle on its homepage.