Disc.Sci+1

Until recently, black holes were only theoretical. Now, scientists know that millions exist and some of them have the potential to be lethal to earth.

How do they make the world's most expensive and luxurious beds? And, how do they deliver supplies and equipment to the International Space Station.

How do they make the distinctive Borsalino hat worn by Indiana Jones? And, how do they make a bicycle which can fold up to a tenth the size of a regular bike.

How do they make the world's most famous electric guitar, the Fender Stratocaster? And, how do they make Swedish fermented cod roe Kalles caviar.

It's been tipping over for 800 years - what's the gravity-defying magic behind Pisa's leaning tower? And, how are chocolate digestive biscuits manufactured.

How did the ancient Greeks invent parchment with techniques still used today? And how do they make shuttlecocks, the fasting moving object in sport.

In Cremona, how do they make modern violins that sound as good as the legendary Stradivarius? And, how do they build houses with volcanic rock.

The NASA tapes that recorded the Apollo 11 moon landing are missing. Experts examine whether their disappearance is part of a cover-up.

Some think the waving US flag on the moon proves that NASA faked the lunar landing. Experts' quest for the truth leads to some of Hollywood's biggest names.

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.

More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.

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.

Until recently, black holes were only theoretical. Now, scientists know that millions exist and some of them have the potential to be lethal to earth.

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilisation that rivalled Egypt. However, why are the pyramids there and who built them.

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.

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.

Clay returns to his ranch in Montana to hunt for quick finds at Old Faithful. In Wyoming, Mike and his team continue excavating their triceratops site.

In Montana, Clayton prepares to learn if his carnivore skeleton belongs to a T-Rex or Nanotyrannus. In Wyoming, Mike and Aaron dig at a promising new site.

The NASA tapes that recorded the Apollo 11 moon landing are missing. Experts examine whether their disappearance is part of a cover-up.

Some think the waving US flag on the moon proves that NASA faked the lunar landing. Experts' quest for the truth leads to some of Hollywood's biggest names.

How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the universe including when and why it would happen.

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.

How does a Dutch company make the world's fastest superyachts? And, how do they make new space suits that weigh and cost the fifth of the previous design.

How do planes take off and land on a beach at one of the world's oldest airports? And, how do they hand-make the national dress of Bavaria, lederhosen.

How do they catch the world's largest lobsters? How do they build the iconic chesterfield sofa? And, how do they capture the world's sharpest TV pictures.

How do they take a car from Siberia to the Sahara without leaving Germany? Plus, how do they hand craft a baseball glove that will last a lifetime.

How do they print over 10 million copies a day of the world's best-selling newspaper? How do they knit 32,000 pairs of socks a day at South Africa's biggest sock factory.

How do they produce 99% of America's raisins in California's San Joaquin Valley? Plus, how do they make the world's oldest type of paper.

Kevin Delaney and his team of experts show how explosive hydrogen peroxide can really be. Plus, combining ping pong balls with pressurised liquid nitrogen.

Kevin and his team of experts explore the amazing science behind rockets, using unconventional materials to power homemade projectiles to incredible heights.

Kevin and the team take to the streets to create a massive, swirling fire tornado out of kerosene. Plus, they dazzle onlookers with a rainbow coloured flamethrower.

Kevin and his team of experts use a race car to put a new twist on an old magic trick, and show what it takes to build homemade hovercraft.

Tory Belleci and Streetbike Tommy meet experts from the FBI's bomb squad to reveal the forensics and technology required to investigate deadly bomb threats.

Tory Belleci and Streetbike Tommy meet experts of the battlefield who recreate black powder blasts from the Civil War and experiment with this deadly explosive.

How will the universe end? Experts discuss the many possible ways that could spark the beginning of the end for the universe including when and why it would happen.

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.

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.

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.

The Alien Mysteries. 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.

Turns the spotlight on inventors who build astonishing creations in their homes - including a precision drone-catcher that transforms into a vacuum-powered railway.

Richard explores Volkswagen's giant car plant in Wolfsburg, Germany. He checks out its futuristic technology and discovers how this mega-factory works.

Richard takes flight aboard the US Air Force's biggest cargo plane: The C-5M Super Galaxy. Climbing inside its inner workings he learns why it's a record breaker.

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

Can We All Become Geniuses? Genius lies somewhere in the human mind. Might we augment our biology with technology to unlock the genius inside us all.

Is The Force With Us? New research is revealing a hidden force in the universe instantly linking every place in the world and joining the future with the past.

How do they use ancient techniques and modern technology to produce thousands of tonnes of barbecue charcoal? How do they cook up Japan's soba noodles.

How do they grow America's only freshwater pearls in Tennessee? Plus, what secrets are behind how the world's sharpest knives are made.

How do they turn root vegetables into sweet sugar? How do they make feather dusters? And, how do they make billions of balloons to keep parties popping.

How do they turn trees into pencils? How do they make liquorice? And, how do they use traditional techniques to weave the world's most fashionable lace.

How does one family in America make three quarters of the world's peppermint oil? Plus, how are performance-enhancing tennis racquets made.

How do they make a trombone? How do they make traditional Spanish wineskins? Plus, how do they turn smelly muddy peat into rejuvenating face cream.

Mireya and Ronny return to where they heard whistles and saw glowing eyes. Meanwhile, Mireya agrees to be bait in order to lure out Bigfoot.

After Russell records thermal imagery that he believes is Bigfoot, Mireya and Ronny have a terrifying experience when they realise they're not alone.