If there is no smoke without fire, can there be lightning without thunder?
(01:42)What goes up must come down… so is it possible to be killed by a bullet shot straight up into the air?
(01:50)What would happe if the Earth were to pass through the tail of a comet?
(01:35)Why does static electricity build on televisions, computer monitors and human hair?
(01:28)As well as being fun, the humble tickle has been used as a form of torture… but have you ever tried to tickle yourself?
(01:32)If human adults are so clearly superior when compared to other animals, why are human babies so inferior?
(01:45)The sun should be around for at least another five billion years. But what if it were to suddenly disappear?
(01:45)Aliwal Shoal, one of our most remarkable treasures hidden beneath the ocean.
(03:03)An assortment of marine life rarely seen before.
(03:02)At Aliwal the first season visitors are sand sharks.
(03:04)Aliwal is the result of thousands of years of geological transformation, that continues to this day.
(03:02)For all its beauty, Aliwal is still a wilderness, governed by the strict laws of nature.
(03:03)The absence of sharks is a clue that something may be wrong at Flint Island.
(03:03)Spectacular! a territory dominated by coral.
(03:03)This island, so small it has never seen human habitation, is probably the most pristine Island.
(03:00)A window to the past
(03:02)The blue holes formed 300,000 years ago, what has been preserved?
(03:05)The Bahamas was once a thriving eden… what happened?
(02:50)Take a look to the lost world
(03:05)Did the crocodile eat the tortoise?
(03:00)