Bryan Penprase discusses ancient GPS.
(01:56)Bryan Penprase discusses the locations of the ancient equinoxes in Casa Rinconada.
(00:45)Mike Leahy visits a weaver ants nest in the Borneo jungle.
(03:13)The sacred waterway is used as a swimming pool, laundry, bathroom and rubbish tip. It's so heavily polluted at Varanasi that...
(03:12)Dr Mike Leahy can't stress enough, the importance of washing fruit and vegetables if you want to avoid unsavoury diseases such...
(03:10)Mike gets under the skin of scabies in Mumbai, one of the largest cities on the planet.
(03:11)Mike buys a rat trap in Metal Street to catch a rat to catch a flea, the source of a deadly disease thought to be in the past....
(03:10)Mike gets bitten by the bug under the palm trees of the Amazon. The assassin bug spreads chagas disease which is responsible...
(03:13)Using himself as bait, Mike finds out how much piranha are attracted to human flesh.
(03:10)Deadly caterpillars leave a lasting impression on Mike Leahy as he heads towards Manaus and one of the most incredible natural...
(03:10)After warning us that Rio has a hidden killer, the dengue virus, carried by mosquitoes. Mike takes one of the city's more...
(03:09)Enter a world of pain with Dr Mike Leahy as he takes his encounter with the Brazilian fire ant to the limit.
(03:10)The lost world webisode from Diving the Labyrinth series on National Geographic Channel.
(03:05)If we had only one chance to fill up our car? One chance to return home?
(03:02)Why earthquakes are one of the deadliest problems that the Earth would face?
(03:00)Discover the new Earth, where walking from London to Paris is possible.
(03:02)Find out how to survive a zombie attack as we expose the truth about the walking dead.
(05:35)Former Area 51 staff member Albert Wheelon talks about how hard the test planes were on the human body.
(01:31)Being a witness to classified activities in Area 51 could end careers.
(00:54)Over Manhattan, a news helicopter has a terrible malfunction.
(02:43)