Discovery Science +1 Tuesday

New discoveries reveal who the Roman Empire were trying to keep out with the 72-mile-long Hadrian's Wall

Buying goods from home

Buying goods from home

How to churn out Wensleydale cheese, turn pig hair into the world's finest paintbrushes, and distil aromatic oils from eucalyptus

How it is possible to build the 700 horsepower Tesla Model S, turn horses' tails into fine fabrics, and clean the largest swimming pools in the world

Exploring whether Nasa is responsible for a nuclear explosion on Jupiter, and looking at the truth behind the mystery of the iconic face on Mars

Looking at whether the Nazis got to the moon first when a Russian probe discovers that something has disturbed the lunar soil before the arrival of the US or USSR

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

Andrew Quitmeyer tries to survive a remote tropical jungle in Hawaii. Making his electronic equipment work in this environment pushes his hacking skills to the limit

Andy Quitmeyer is stranded alone on an island in the Pacific Ocean, and with a tropical storm looming, he must use his technology to find food and stay alive

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

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

Interviews with astronauts and scientists shed light on the many mysterious flying objects that have been caught on Nasa's cameras, and explore the idea of extraterrestrial life

An account of how a malfunction on the ISS threatens to poison the crew with a deadly gas, and a startling image taken by a Nasa probe points to evidence of life on Mars

Scientists explain why hotter than expected temperatures of Jupiter have left them baffled. Plus, detectives asks Nasa for help in solving a murder cold case

How to blow the world's finest crystal, make the slimmest TVs, heat the deepest swimming pool, and fill a million bottles a day of the world's favourite ketchup

The complex technological processes involved in cooling the iconic Sydney Opera House. Plus, how Sheffield steel is transformed into a carpenter's handsaw

The complex technological processes involved in mining rare gemstones, crafting classic cowboy boots and building large-scale road-sweepers

How engineers manage to drill for oil thousands of metres below ground. Plus, how duvets and rubber bands are made

The complex processes that allow people to build diesel engines that can fly, make cough sweets, turn clear plastic into unforgeable bank notes, and produce ice-cream

The processes used to turn used aluminium cans into planes and rockets. Plus, the way in which a traditional Black Forest cuckoo clock is carved

Justin Cunningham goes inside an offshore wind turbine to find out how a fault that could cause the structures to fall into the North Sea is being fixed by engineers

Justin Cunningham heads to Louisiana to investigate gigantic potholes, before going to London to get a sneak preview of the 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