Happy Valentines Day! We may not be sending you a card, flowers or chocolates, but we love all our listeners. This week's show is all about the science of love and bonding, we'll be exploring the molecules that mediate monogamy, finding out how women subconsciously advertise their fertility, and looking at the evolutionary basis for falling in love. Plus, in Kitchen Science, Ben and Dave make invisible ink for sending secret love letters... Like this podcast? Please help us by supporting the Naked Scientists)
