Georgia Mills and the Naked Scientists with the latest science news, including early human migration, a potential treatment for the common cold, and what do social media companies really know about us?

Dr Karl explains how people can get sick from smoking marijuana, he also explores computer processing power and find out what is best way to thread a needle? He is joined in the studio by Riti Mann and Alexander Solntsev from University of Technology Sydney.

Georgia MIlls talks blacks holes and genetic testing.

Rhod is joined by Dr. Karl to answer your science questions.

Georgia Mills examines the science of sound, and how we hear. Including how the brain processes sound, how a blind person can 'see' with sound, and how science can treat deafness.

Rhod is joined by Dr. Karl to answer your science questions. This week; dangerous particles in plastic bottles, anti-biotics and global warming in Australia.

In a special episode, the 5 live Science team remember Stephen Hawking, featuring tributes and memories of his life and work.

Rhod is joined by Dr. Karl to answer your science questions.

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.