THREE MINUTE TEASER

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THREE MINUTE TEASER
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Sleepwalking Murders

Experts investigate whether someone can really be capable of killing while they're asleep and if sleepwalking is a valid murder...
(01:51)
Shattered in Seconds

What caused China Airlines Flight 611 to crash? One piece of wreckage has the answers.
(01:06)
Petra

Petra is one of the world’s most mysterious ancient cities with the Al Khazneh building at its entrance an engineering master...
(01:04)
Machu Picchu: Mountain Building

Machu Picchu is a spectacular sight, but its location meant considerable hardship for builders. Heavy rainfall and earthquake t...
(02:59)
Building Through History

Discover how the pyramids, Victorian railways and Wembley stadium are all connected. Confused? Alistair Lenczner from architect...
(01:19)
Gospel of Judas

The theological implications of this important biblical document are explored by scholars and scientists.
(01:04)
New Year's Day

Find out how the elite professional lifeguards celebrate New Year.
(03:36)
Australia Day

What’s Australian and what’s un-Australian? Find out on Australia Day.
(02:08)
Short Days of Cool Water

Local man embarrassingly gets into trouble in front of his “pommie” mates.
(02:01)
Behind the Scenes

Go behind the scenes with Chris Barrie during the making of Britain's Greatest Machines.
(03:29)
Deep Sea Demons

Fishermen scour the depths of the oceans in search of the biggest and strangest sea creatures.
(01:01)
Kerry Nicholson Gonzalez

While Kerry can trace back about three generations to a faraway land, her DNA can take her back more than six thousand generati...
(03:09)
Churchill strikes out at his former ally

A British naval force sails to one of France’s biggest naval bases, Mers-el-Kebir in Algeria, and opens fire when they reject...
(03:12)
Top 2 minutes: In Your Face

In New York City, thousands of animals wait to be saved. From the lost to the abandoned and abused. One group of former street ...
(01:08)
Long Lines

Long Lines
(01:16)
LIGO's Gabiela Gonzalez

LIGO's (Laser Interferometer Gravitational Wave Observatory) Gabiela Gonzalez discusses gravitational wave astronomy.
(01:07)
Meteorologist Fritz Coleman

Meteorologist Fritz Coleman discusses global warming.
(01:45)
Bob Ballard Introduces Hercules

Bob Ballard reviews some of the finer point on his Hercules ROV (Remotely Operated underwater Vehicle).
(04:49)
Ancient GPS

Bryan Penprase discusses ancient GPS.
(01:56)
Desert Breakdown preview

In Nogales, Arizona, CBP officers prevent a wanted man from slipping across the border and uncover a shocking cartel smuggling.
(00:59)