Naked Scientists Chris Smith and Kat Arney with the latest science news stories. This week they take a look at Volcanoes.

Dr karl joins Rhod for his usual exploration of the world of science. This week; measuring the universe,why do we close our eyes when we sneeze and Orbital engines.

Naked Scientists Chris Smith and Kat Arney with the latest science news stories. This week; why your genes might make you irrestiable to mosquitoes and how the bee has a taste for insecticide.

Dr Karl joins Rhod to answer listeners' questions about the world of science

Striving for immortality: this week we explore the feasibility of eternal life. We talk to the UK's first man to have himself frozen for the future, a US doctor explains how a person can be resuscitated after an hour submerged in icy water, and physicist Michio Kaku speculates on the future existence of a "library of souls" where we live forever as a computer programme inside a robot. Plus, news of why knuckles go crack, how the brain decodes quickly and slowly repeating sounds, how Salmonella can be used to combat cancer and why men get competitive when it comes to sponsoring a woman.

Fevzi Turkalp, editor of the free tech advice website GadgetDetective.com answers your technology questions.

Dr Karl answers all your questions in the world of science.

Naked Scientists Chris Smith and Kat Arney with the latest science news stories. This week: new evidence on how the moon was formed, how the length of your ring finger can predict your marathon time, and the effect your immune system can have on your brain.

Dr Karl joins Rhod to answer your science questions.

DR CHRIS SMITH & KAT ARNEY discuss how to unboil an egg. Also, is a chocolate teapot really useless? We look at GM chickens that can't catch bird flu. Plus what connects the Easter Bunny with a Toucan?