Joseph Henrich, 57, a professor in the Department of Human Evolutionary Biology at Harvard University, said, “During the Roman Republic, low birth rates emerged as male elites avoided marriage, but ...

Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.

How many coins can touch one coin, or how many basketballs can "kiss" one basketball at the same time? This seemingly playful ...

Get here CBSE Maths important questions of Class 10 of Chapter 5: Arithmetic Progressions for Board exam preparation and practice, Download PDF for free.