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 skateboards are manufactured and braided pastry is produced.

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.

New discoveries lead scientists to question if the Big Bang really happened. They investigate if it was the start of many multiverses.

Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial beings and their threat to human life.

How do they harness the wind to power a racing yacht to Olympic gold? How do they make a sword fit for an officer at the world's largest sword factory?

How do they clean the world's tallest twin towers? How do they make a jigsaw where every piece is unique? How do they craft Olympic level hockey sticks?

How do they grow nearly 200,000 tonnes of mushrooms a year in the mushroom capital of the world? And, how do they make billions of life-saving gloves?

The life, work and mysterious death of inventor Nikola Tesla. Did he create the first weapon of mass destruction, the 'Death Ray'?

Quasars are the brightest objects in space, powered by black holes, and the most mysterious. How do they shape the universe and ultimately aid in its destruction?

More everyday items are put under the microscope as we discover how three-wheel electric bikes are manufactured and skin cream is made.

More everyday items are put under the microscope as we discover how wood garage doors are manufactured and animatronic dinosaurs are made.

More everyday items go under the microscope. How are objects including LED stage lights, chemical tank trailers, and apple cider made?

Justin braves the turbulent North Sea as he goes inside an offshore wind turbine to see how engineers are fixing a fault that could cause these structures to fall into the sea.

A countdown of the top 20 internet legends. From lighting matches with bullets to kayaking in the snow, this features only the smartest and bravest human-kind has to offer!

New data reveals a super comet that will miss Earth but slam into the Moon with enough force to jar it out of orbit. How will the planet, and humans, survive?

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 go under the microscope. How are objects including mountain bike suspensions, grain dryers, surgical sutures made?

More everyday items go under the microscope. How are objects including gingerbread house kits, toy figurines and bottom-rolling hangar doors made?