I have you loud and clear.

Hello.

Hello.

Welcome.

And that is

and that is to say physics medicine, nature or space, time, brain, life, the universe.

This week to celebrate or commiserate Valentine's Day, we'll take a stimulating scientific

odyssey through the world of love and attraction.

We'll be looking at how dating has changed through the ages, what psychology can tell us about attracting

a partner, plus lessons in love from the animal kingdom.

I'm Kaleil Thurloway.

And I'm Georgia Mills and this is the Naked Scientists.

The Naked Scientists podcast is powered by UKfast.co.-dot UK.

Like it or loathe it, love is apparently all around us. Just in the UK, we'll probably spend over 600 million pounds on each other

this Valentine's Day,

with people sending their loved ones millions of cards, flowers, chocolates and champagne.

Later on, we'll be finding out what makes you attractive to other people.

I'll be keeping a pen and paper ready.

Before looking at long-term relationships and what statistics can tell us about our sex lives.

But not to put too fine a point on it, why are we so obsessed with the subject, the

enormous amount of time and money we collectively spend on finding and keeping the one

indicates that it's kind of a big deal. Well the answer to this question lies deep

...