Bryan Penprase discusses the uses of the ancient kivas and what was used for ancient mortar at Casa Rinconada.
(03:13)Fighter jets track a 737 high above Athens, more than 100 people are on board but who is flying the plane?
(01:01)LIGO's (Laser Interferometer Gravitational Wave Observatory) Gabiela Gonzalez discusses gravitational wave astronomy.
(01:07)Men risk peril for fame in a spear-throwing contest.
(03:17)The pride attack a buffalo from every direction working as a team for once and successfully bring it down.
(03:12)Many of the world's best salvage teams have tried and failed to move the 'wreck that will not die' off the Oregon coast. Meet...
(02:54)With its 62 moons and the possibility for a close encounter Jupiter is the perfect adrenalin destination.
(02:31)Three sisters led by Whitehead ambush a Zebra for the rest of the pride to eat.
(03:10)A depleted team of lionesses hunt down Impala for supper but they're spotted.
(03:09)Climate experts examine what effect each rise of 1ºC could have on the world.
(03:22)Dinner time, and for this family it’s always a noisy affair. 26 heads don’t fit comfortably around a carcass, so it’s a...
(03:10)Tribal boys must jump and run across cows' backs.
(03:59)Discover the science behind these natural phenomena, and experience the effect an F5 tornado would have on a major city.
(00:54)The Arctic ice blankets an area twice the size of Australia. Animals have adapted to live above and below its fickle surface....
(03:02)Crime scene cleaners see the worst messes.
(03:31)We’ve discovered so much to during our stay with soldiers Steven and Tara in the army base in Georgia. The family are off to...
(02:01)The tallest man-made structure on earth, a city in the sky, is the pinnacle of skyscraper engineering.
(01:57)Steve wants to show us around the Fort Stewart Army Base. He says that this truck is for carrying soldiers.
(03:26)In Orange County we are very interested in the water source for the gardens.
(03:06)