Scientists have eavesdropped on the brains of mice as they sniff out sexual partners.
The researchers monitored the rodents to see how they reacted to the subtle chemical clues, known as pheromones, which are excreted from their bodies.

The study showed how the rodents’ brains went into a frenzy of activity when they smelt the right mate.

It is said to be the first time that anyone has been able to watch in-action what is going on inside animals’ heads when they use what is sometimes called their “sixth sense”. More here.