Disc.Sci+1

Saqqara is the site of the first pyramid - the Step Pyramid of Djoser. Experts use cutting-edge technology to explore why the Egyptians built pyramids.

Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program.

Two cosmonauts fight for their lives, trapped inside a capsule in a frozen lake. NASA astronomers are spooked when the full moon affects their experiments.

Did Earth Have Two Moons? A startling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the Earth once have two moons.

How do they make the groovy vinyl LP? How do they build the dodgem? How do they make one of the world's oldest pain remedies, tiger balm.

How do they forge the axe? How do they put together a courier's messenger bag, and how are the fastest lifeboats built.

How do they make Wensleydale cheese, turn pig hair into paintbrushes, and distil aromatic oils from eucalyptus.

How do they build the world's fastest electric car, turn horses' tails into fine fabrics, and clean the largest swimming pools in the world.

How do they feed France's appetite for snails, turn slabs of steel into shiny cutlery, and craft a kayak you can paddle with your feet.

How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike.

Confidential CIA files reveal a secret war for space between America and the Soviets. And, experts investigate American espionage during the Apollo programme.

Experts investigate the Lunar Landing Research Vehicle that nearly killed Neil Armstrong during training. Some believe this proves why the moon landing is fake.

Two cosmonauts fight for their lives, trapped inside a capsule in a frozen lake. NASA astronomers are spooked when the full moon affects their experiments.

Did Earth Have Two Moons? A startling discovery suggests the hellish clouds of Venus may be the origin of life on Earth. Plus, did the Earth once have two moons.

Is Privacy Dead? Humans now live under a global surveillance system that solves crime and uncovers terrorist plots. What impact does this security have on privacy.

Can We Cheat Death? Scientists are learning the mechanisms of aging and getting closer to a world where death is curable. Are humans about to enter a new age of immortality.

Is Gun Crime A Virus? Every 17 minutes, someone is killed with a gun. Is this an epidemic that scientists can cure.

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

The Roman Empire built Hadrian's Wall to guard its frontiers: new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure.

Dark matter is one of the greatest mysteries of the universe facing scientists today. Could it be the cause of supermassive black holes and mass extinctions.

Astronomers have discovered bizarre planets very different to Earth out in the galaxy, but will we ever locate a planet similar to our own.

Apollo 12 astronauts bring back something alive from the moon and NASA track an asteroid heading towards Earth only to make a shocking discovery.

Why was Las Vegas a Nazi target for wartime sabotage, a test ground for Atomic Bombs, and a meeting place for 9/11's terrorists.

From the rallies held at Madison Square Garden, to the plots to steal the secrets to the nation's weapons of war, the American Nazis terrorised the USA in the 1930s.

Archaeological investigations unearth the secrets of the long-lost city. New evidence reveals what Babylon looked like and what caused its downfall.

Hidden Secrets Of The Twin Towers. The World Trade Centre's iconic twin towers were an engineering marvel. Experts use pioneering technology to examine their secret history.

A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

A malfunction on the ISS could poison its crew with a deadly gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.

Jupiter is hotter than it should be, and scientists are baffled. There's a strange discovery on Mars and detectives ask for NASA's help on a murder cold case.

How do they blow the world's finest crystal, heat the deepest swimming pool, and fill a million bottles a day of the world's favourite ketchup.

How do they turn Sheffield steel into a carpenter's handsaw, make a microphone that can pick up a whisper, and safely steer through a frozen river.

How do they mine one of the rarest gemstones in the world, craft the classic cowboy boot, and build a road sweeper that can pick up seven tonnes of trash.

How do they make the world's softest duvets, drill for oil thousands of metres below ground, and put the stretch in rubber bands.

How do they build a diesel engine that can fly, make cough sweets, turn clear plastic into bank notes, and whip up ice cream flavours.

How do they turn used aluminium cans into planes and rockets? Plus, how do they carve the traditional Black Forest cuckoo clock.

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.

Justin's in for a bumpy ride as he investigates gigantic potholes in Louisiana. Later, he heads to London to get a sneak preview of London's vast Crossrail project.

Tory Belleci and Streetbike Tommy check out one of the world's largest fireworks companies to reveal the explosive secrets of its pyrotechnics experts.

Tory Belleci and Streetbike Tommy meet experts using cutting-edge explosives to turn entire mountains into gravel-sized bits essential for construction.

A probe mysteriously malfunctions as it enters deep space. Astronomers find evidence of an invisible planet in a distant solar system.

A malfunction on the ISS could poison its crew with a deadly gas. A startling image taken by a NASA probe points to evidence that life could exist on Mars.

Jupiter is hotter than it should be, and scientists are baffled. There's a strange discovery on Mars and detectives ask for NASA's help on a murder cold case.

The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.

The New Mystery. The Leaning Tower of Pisa is one of the world's most iconic buildings, but why does it lean? Investigators uncover the reasons for its tilt.

An Apollo 17 photo seems to show a US military outpost on the Moon and is life in the oceans of Jupiter's moons? Plus Neil Armstrong faces real danger.

When a Chinese moon rover breaks down, a NASA scientist points to a mysterious material that seemed to sabotage the Apollo missions, decades earlier.

Newly discovered documents reveal NASA's secret plan B for failure of the first moon landing. And NASA's Cassini mission unravels a 300-year-old mystery.

Did aliens help build the Pyramids? Or does the 'ancient astronauts' idea go back to Swiss author Erich von Daniken, whose books challenge religion and science.

Discovers which of America's founding fathers used sex as an instrument of diplomacy and which one secretly scoffed at the divinity of Jesus.

With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

Witnesses photograph two suns in the sky over Indonesia - is this the first sighting of the Sun's dark twin that could spell imminent danger to Earth.

Geologists discover alien deposits on the Earth's surface - and the answer could shed light on the cause of the greatest extinction in its history.

A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon.

How do they build the ultimate car crushing colossus? Plus, how do Lea and Perrins concoct their Worcestershire sauce.

A look at how the amazing, and massive, decorations on Mardi Gras carnival floats are created, how rock candy is twisted together, and a look at how dentures are made.

How do they harvest and treat the world's most expensive tea? Plus, how does the Siekierki power plant of Warsaw, Poland heat half the city's homes.

How do they engineer the latest incarnation of the classic Royal Enfield Continental GT motorbike? Plus, how do 'art detectives' spot a forgery.

How do they blend science and destruction at crash test centres? And how do they piece together the complex mechanism of a pocket sized umbrella.

How do they forge the blades to crack open oyster shells? Plus, how do scientists in a lab grow the synthetic diamonds of the future.

Russell finds a structure he believes is a Bigfoot nest. Meanwhile, new team member Ronny joins Mireya in a race to the nest to collect DNA samples.

Mireya and Ronny make a powerful discovery in the area around the nest. And, Bryce suspects Bigfoot is emitting infrasound to repel the team from its territory.