Introduced by Jim Al-Khalili Could you surf down an erupting volcano? Why do zebras have stripes? Are you breathing the same air as Leonardo da Vinci? Are there any green mammals? Why do pineapples have spikes? Why do songs get stuck in your head? What happens when black holes collide? Can you extract your DNA? New Scientist has been a treasure trove of fascinating and surprising questions and answers for over a decade. From how to measure the speed of light using chocolate, to why dogs howl at ...