5 live Science

Why pregnant women are 42% more likely to have a car crash, how astronomers can now see planets around distant stars, and why octopuses don't tie themselves up in knots. Plus, we look at how our power grids are going to be transformed, from technology which hopes to reduce our energy prices to new ways to include wind and solar power in the grid.

Dr Karl and Dr Rhod discuss gravity waves, sun spots and mosquito saliva

Dr Karl and Dr Rhod answer your science questions. Send an email to upallnight@bbc.co.uk with Dr Karl in the subject line if you've got a science question.

Bigger, better and longer lasting - this week we go in search of the battery technology that will power the future as well as consider the shortcomings of our present technologies. We also try to tune-in to our own broadcast on a radio powered by moss! Plus, the camel virus hitting humans in the Middle East, why radio can send migrating birds off course, the AstraZeneca take-over and the latest gadget from Google: a smartphone with a laser.

Put on some safety goggles as Naked Scientists Chris Smith and Kat Arney ignite your bunsen burners with the hottest science news stories, analysis and breakthroughs on 5 live Science.

On the latest edition of Dr Karl, we find who discovered the expansion the universe? What is fracking? Plus, how does your television remote control works?

Dr Karl takes your calls on batteries and spiders

Dr Karl talks about soap alternatives, Why putting a living "Russian Brown Frog" into a bucket of fresh milk will keep it fresh, and cow's stomachs

Dr Chris Smith discusses cures for jetlag, moons orbiting planets outside our solar system, a trip to the most remote marine protected area on Earth and the Heartbleed bug.

Dr Karl joins Dr Rhod to talk about food intolerances, the endocrine system and the science behind fat cells.

Dr Chris Smith looks at how using eye contact on cereal packaging can influence sales, how water has been found inside one of Saturn's moons and why young smokers are more prone who have sons who grow up obese.

In a short episode because of breaking news, Dr Karl discusses why 1959 Cadillacs had the biggest fins ever, reflecting eyes, and seaweed as fuel.

New insights into the structure of bones, the solar system gains a new dwarf planet, and the biological equivalent of scaling Mount Everest.

The science of Laryingitis, God versus Luciferase and whether a venomous creature can die from its own bite

Dr Chris and the Naked Scienctists talk about gravitational waves from the Big Bang, the UK announces a powerful new supercomputer and we find out why it's impractical to attempt air travel by just hovering above the ground and letting the Earth turn beneath you.