John Ruthven

Embark on a global odyssey to discover the largest and least explored habitat on earth. New ocean science and technology has allowed us to go further into the unknown than we ever thought possible.

Asia is home to the world's most lethal serpents, but which of its scores of slithering predators is the deadliest? Join venom expert Bryan Fry on his cross-continental quest to find the perfect serpentine killer.

There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.