Dr Chris Smith and the team discuss the latest science stories with a focus this week on computers.

Richard Foster is joined by Dr Karl and dietitian Professor Claire Collins to answer your questions, including is getting fat inevitable as you age, how to tackle gastritis and what does the gall bladder do. Plus, memories of Stephen Hawking.

This week Naked Scientist Chris Smith looks into the science questions you've been sending in, including what's the tallest possible building? Are underground cities where we will be living in future? What can we do if an asteroid ends up on an earth bound course? Download the podcast: bbc.co.uk/podcasts/5live

Dr Karl and friends answer your questions including whether there are there any stars outside galaxies on their own? What are pathogens? And can you cook fish in the dishwasher?

Is measuring your blood pressure at home better than getting a doctor to do it? Also, is there life on Mars?

Dr Karl talks diabetes, wind farm blades and the consequences of holding your breath.

Rhod is joined by Dr. Karl to answer your science questions. This week, they discuss Parkinson's disease, mosquito bites and more.

The Naked Scientists answer your science questions.

This week Dr Karl answers your science questions and explains how lightning killed 68 dairy cows in Dorrigo in 2005.

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. This week: rockets, cockroaches, vaping and the problem with plastic.