The Smithsonian Institution in Washington DC is in search of friendly, outgoing volunteers who will engage with visitors to their museums and galleries and help them plan memorable and exciting experiences so that they can discover all that the Smithsonian has to offer.

- Our ancestors headed into India via Yemen before wandering further east and north
- Researchers used complicated new DNA procedure 'recombination'

It will be the only nation so far to reach Mars on its first attempt. It will also have spent the least amount of money to do so.

India now joins a small club of nations — the U.S., Russia and those in the European Space Agency – to have mastered interplanetary travel, giving it bragging rights over Asian rivals China and Japan whose attempts to get to Mars failed.

By: Salman Khan

Researchers have known for some time that the brain is like a muscle; that the more you use it, the more it grows. They’ve found that neural connections form and deepen most when we make mistakes doing difficult tasks rather than repeatedly having success with easy ones.

India on Tuesday launched its first spacecraft bound for Mars, a complex mission that it hopes will demonstrate and advance technologies for space travel.

Bigger revelation than finding any dinosaur, says Sankar Chatterjee.

A wish for luck, that began in the 1960s.

Nalini Ambady, professor of psychology at Stanford, passed away on October 28, 2013 after a long battle with leukemia.