Focus magazine

"Do animals perceive time?" and "Can you lose your arm reaching into a spinning dryer?" BBC Click radio presenter Gareth Mitchell answers life's big questions.

"Why is the speed of light constant?" and "When will we start mining asteroids?" BBC Click radio presenter Gareth Mitchell answers life's big questions.

Professor Jim Al-Khalili talks to Focus editor Graham Southorn about time travel, parallel universes and the other great enigmas in science.

Focus visits the quietest place on Earth and other strange rooms in the Acoustics Research Centre at Salford University, where researchers study the science of sound.

Evolutionary biologist David Barash talks to Focus about his latest book, Homo Mysterious, in this month's Meet the Author podcast.

In this month's Q and A podcast, BBC Click radio presenter Gareth Mitchell answers life's big questions, including "Why does light travel in waves through a vacuum?" and "Why do humans cry?"

"Will teleportation ever be possible?" and "Do you burn more calories during deep thought?" BBC Click radio presenter Gareth Mitchell answers life's big questions.

In this month's Q and A podcast, BBC Click radio presenter Gareth Mitchell answers life's big questions, including "What's the chance of an asteroid hitting the Earth?" and "Do men snore more than women?".

In this month's Q and A podcast, BBC Click radio presenter Gareth Mitchell answers life's big questions, including "What's the future of the internet?" and "Can you 'bank' sleep in advance?".

In this month's Q and A podcast, Gareth Mitchell answers a few of life's big questions, including "Where does cosmic dust come from?" and "Why do we say 'Ow!'?".

Neuroscientist Richard Davidson on how to master your emotions; Next generation Smartphones; And biologist Liz Bonin on Super Smart Animals.

Kitty Ferguson on Stephen Hawking; The co-creator of BBC One's Sherlock on the science of deduction; And the Kindle Fire in the spotlight.

Susan Greenfield on how technology could be changing the brain; Mark Post on making synthetic meat; And the Focus team discuss fitness gadgets.

Physics professor Lisa Randall answers questions about the Universe; Mark Surman from Mozilla on how to tell stories on the world wide web; And the Focus team discuss what they want for Christmas.

Hollywood film maker Andrew Niccol on staying forever young; Steven Pinker on the decline of violence; The new iPhone 4S.