Mars may appear to have an inhospitable climate, evidence suggests that in the past things were different.
(03:13)The colors of Mars are different to those of the Earth both on the surface and looking towards to sky.
(03:02)Mars is a long way for a human mission. One of the hardest aspects to resolve is the speed of approach.
(02:57)Mars would make for an interesting visit, with the possibility of harboring evidence of life.
(02:17)Neptune and Uranus are two gas giant planets in our Solar System; Uranus calm, Neptune wild and mysterious.
(01:50)Knowledge of Pluto is limited. Only in the last 20 years have we been able to make useful observations.
(03:00)Jamie collects venom from the most lethal and frightening snakes in Australia.
(03:44)By 1978, the twin towers reached an iconic state in Manhattan.
(03:03)With a mix of psychology and virtual reality clinicians help treat post-traumatic stress disorder.
(02:45)Over Manhattan, a news helicopter has a terrible malfunction.
(02:43)President George W. Bush talks about his first conversation with his parents on 9/11.
(01:08)Brady is on a mission to capture a killer.
(03:12)The Panama Canal has changed the face of global trade.
(03:02)Her treatment is to swallow a beating chicken’s heart.
(03:01)With no wetsuits, these divers swim freely in shark-infested waters.
(02:05)Just hours old, the ducks follow their mother in search of food.
(03:05)When American troops were marched into German death camps, all hope for the European prisoners disappeared.
(03:04)In this village, there is a serial man-eating tiger.
(02:53)A survivor tells his story of the sinking Titanic.
(02:59)BuiltfortheKillPolarBears_11930_frozen-dinner
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