On Britain streets, you unknowingly see, extraordinary heroes who look just like me.

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Science and that is the same physics, medicine, nature, or space, time, brain, life, the universe.

Hello and welcome to the naked scientists.

It's exam season again, so this week we'll be delving into the depths of

memory for some tips on boosting your brain. Plus prosthetic fingers that can

actually feel the sacred art of origami gets a DNA update and I'll be finding out whether giant

pandas really don't fancy getting frisky. I'm Kat Arnie.

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

The Naked Scientists podcast is powered by UKfast.co.uk. Let's start with a look at the news and Professor Magdalena Janice K Gertz got

personal with her science after a test during her pregnancy left her worried for the

health of her baby.

The Chorionic Villa sampling or CVS test is offered to pregnant women whose babies are at

a high risk of having a genetic condition like Down syndrome.

...