More everyday items go under the microscope. What are the production processes behind common objects including ochre and hurdy gurdies?

More everyday items are put under the microscope as we discover how racing leathers are manufactured and wood rocking chairs are made.

More everyday items are put under the microscope as we discover how mountain bikes are produced and lever action rifles are manufactured.

More everyday items are put under the microscope as we discover how saunas are produced and wheelchair lifts are manufactured.

More everyday items are put under the microscope as we discover how upright pianos are manufactured and flags are produced.

More everyday items are put under the microscope as we discover how oil lamps are manufactured and chocolate mints are produced.

Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars.

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.

German workers are exposed every day to major hazards as they build the massive skyscrapers, tunnels and other construction projects of the modern world.

German workers are exposed every day to major hazards as they build the massive skyscrapers, tunnels and other construction projects of the modern world.

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?

Many items that make up the modern world are the result of sophisticated engineering and production processes. How do they do it?

How do they build one of the world's most exclusive luxury cars? How do they make a referee's whistle that can be heard above 50,000 screaming fans?

How do they turn English willow into cricket bats for India's finest cricketers? And, how do they construct the foundations for tall buildings?

How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows?

How do they collect millions of real birds' nests to make birds' nest soup? Plus, how do they use aerospace technology to make rowers go faster?

A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries.

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?

The solar system is different to others in the Milky Way, but it hides a violent past. Scientists examine the clues to reveal its secret history.

Dwarf planets are some of the solar system's most active places, from oceans of liquid water on Pluto to vanishing volcanoes on icy Ceres.

Half of the star systems in our galaxy have two stars, possibly creating habitats for alien life. Here, binary stars fling entire worlds into space.

More everyday items are put under the microscope as we discover how skeletal replicas are manufactured and ice buckets are made.

More everyday items are put under the microscope as we discover how scuba lights are manufactured and convertible sandals are produced.

More everyday items are put under the microscope as we discover how wood windows are manufactured and woven cashmere is produced.

More everyday items are put under the microscope as we discover how gas barbecues are manufactured and mattress pads are produced.

More everyday items are put under the microscope as we discover how skateboards are manufactured and braided pastry is produced.

More everyday items are put under the microscope as we discover how plasma gems are manufactured and special effects snow is made.

Experts investigate to see if the fire on Apollo 1 that killed three astronauts was a cover-up. Was it a tragic accident or part of the moon landing conspiracy?

Experts investigate if there was a conspiracy to fake the moon landing. Does a secret report suggest the Nazis were involved in the Apollo space programme?

Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars.

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.

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind the rules of the universe.

The universe's stars are dying faster than new ones are born. Experts investigate the last stars of the cosmos and what a stellar apocalypse means for Earth.

26,000 lightyears away at the heart of the galaxy lies a massive black hole. How can something so far away be studied, and what could it teach scientists?

Experts use cutting-edge technology to investigate a lost city buried in the Sahara. Archaeologists are uncovering the city's forgotten ruins and dark secrets.

When Pompeii was destroyed by an apocalyptic volcano, another town was destroyed, too - Herculaneum. It is one of history's most perfectly preserved towns.

More everyday items go under the microscope. How are objects including car headlamps, directional drills, pet grooming combs and stained glass made?

More everyday items go under the microscope. How are objects including handcrafted skis, septic tanks, hydroformed chassis parts and aquarium windows made?

More everyday items go under the microscope. How are objects including zip line breaks, round balers, silk fibre lamps and comfort shoes made?