Disc.Science

Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.

Life & Death On The Red Planet. Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert.

Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets.

Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface.

Adam wants to build his own version of King Arthur's legendary sword - Excalibur. Using the iron found in a meteorite, he attempts to make an indestructible weapon.

Adam and a demolition expert stage a series of daring experiments on one of the world's most dangerous and explosive substances: Nitroglycerin.

When an infamous pirate city sunk into the sea, a huge treasure may have gone with it. Could cutting edge technology reveal its resting place.

Quest For The Gold Rush Fortune. In California Rob and Stefan explore a cave, rumoured to house 100 pounds of gold stashed away during the Gold Rush. Can their tech end the mystery.

Supernovas are the violent death of giant stars. New discoveries reveal how these events create the elements that are essential to all life in the universe.

Black holes aren't simply violent monsters. New discoveries reveal their importance in creating stars, giving light, and building the universe itself.

Nebulas are the strange structures of cosmic gas and dust where stars are born and die. New discoveries reveal the secrets of these mysterious places.

More everyday items go under the microscope with a look at how objects such as lace and unicycle wheel hubs are made.

More everyday items go the microscope. How are external hard drives, Thai rice boxes and paper towels made.

More everyday items go under the microscope with a look at how objects such as tea, artificial flowers and alloy wheels are made.

More everyday items go under the microscope with a look at how objects from gel caps to frozen pancakes are made.

More everyday items are put under the microscope as we discover how paper umbrellas, coal, aircraft seats and urns are made.

More everyday items go under the microscope with a look at how objects including aluminium canoes, wood bowls and marimbas are made.

More everyday items go under the microscope. How are objects including Marseille soap and Laguiole pocket knives made.

More everyday items go under the microscope. How are objects including bamboo ceramic lights and asphalt compactors made.

More everyday items go under the microscope. How are objects including asphalt pavers, and Basque espadrilles made.

More everyday items go under the microscope. What are the production processes behind common objects including wood panel canvases and shoelaces.

How do they produce a million tonnes of stainless steel? How do they keep cash safe with an uncrackable lock? How do they make traditional Indian sugar.

How do they harvest three thousand tonnes a year of the world's weirdest seafood delicacy? Plus, how do they protect water polo players from injury.