The evolution of the machine gun from its use in WWI to the GAU-8 Avenger, one of the deadliest machine guns in the world.
(00:34)With no support from a mature male, ten juveniles are running riot so the lionesses can’t provide enough food.
(00:51)Steve Jacobs uses his desktop tornado demo to describe conservation of angular momentum.
(00:49)Discover the truth of one of the greatest maritime mysteries: the sinking of the Edmund Fitzgerald.
(00:57)One of the most significant terrorist attacks in history shatters a village in Scotland and captures the attention of the world.
(01:13)The Germans neutralise the French artillery, the Blitzkreig doesn't give the allied forces time to react. The Luftwaffe...
(03:10)Do squirrels have super reflexes that can save them from getting wet by an exploding balloon?
(01:33)The Polish army surrenders to the Germans and the Soviets. Stalin orders the execution of 20,000 Polish prisoners and 4,500...
(03:12)Scientific breakthroughs from 2008 will form the core of this year’s Earth Report. Young high-energy experts from around...
(01:15)Two cars and a pedestrian collide in this catastrophe at an intersection.
(02:45)Older than dinosaurs, sawfish are filter-feeders just like baleen whales.
(02:55)A mystery unravels as scientists search for the real life Da Vinci code.
(02:37)Find out more about the mysterious blue whale and view exclusive audio and video footage now.
(00:49)Are sharks attracted to the color yellow?
(03:49)An interview with Sting, composer, singer, actor, activist, who agreed to play a starring role in My Music Brain.
(01:51)Based on Martha Raddatz’s best-selling book, "The Long Road Home" relives a heroic fight for survival when the 1st Cavalry...
(02:25)A near midair collision results in a crash in the Amazon and an improvement to on board collision avoidance systems
(00:29)On the outskirts of the city is a prime leopard habitat.
(02:51)An explorative journey revels why music is so important to our lives. Featuring top musicians such as Sting, Michael Buble,...
(01:00)Mike goes in search of a nasty tummy bug in the Vietnamese countryside but gets more than he bargained for, when he meets a...
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