Discovery Channel HD Today

A look at the gravity-defying 'magic' behind Pisa's leaning tower. Plus, the making of chocolate digestive biscuits

How ancient Greeks invented parchment with techniques still used today. Plus, the making of shuttlecocks

Auto-engineer Jimmy deVille works on an Escort Mk2 rally car. When he finds a rust-free South African import, his team takes this custom build sideways

Jimmy deVille's team sees potential in a 1980s MG sports car with an ugly rubber bumper. Using the elegant stripped-back 'speedster' look, a radical new shape is created

Dustin risks the lives of his entire crew at a deadly waterfall. But an all-out mutiny changes the course of his season.

Darkness falls on Nugget Creek, pushing Dustin to search for Plan B. But his crew has a breakthrough, shining light on the season's final month

When the guys are challenged to a Tuff Truck, Sparks Motors rebuilds a wasp-infested old Jeep and the Goons rebuild a water-logged Blazer

Heavy D and the crew transform a rundown Canadian logging truck into a custom semi to transport their builds cross-country stunts

Freak tides trap Sig in dangerous seas, as Jake battles to get to port. Rick attempts to turn a heart-wrenching tragedy into a triumph for Jacob

How the design and manufacturing processes used in the making of contact lenses, bread and foil have evolved over the years

Designers and craftsmen reveal how CDs, tights and mozzarella cheese are produced, charting the changes in their manufacture due to technological progress

How the processes used in the making of apple juice, cosmetics and steel have evolved over the years with advances in technology

How the designs of hearing aids, 3D puzzles and toilets were conceived, and the ways in which they have evolved

Alex is asked to make a beautiful bench for a selfless midwife. Robin works on a surfboard coffee table, and Ella builds an aviation themed garden planter.

Ella builds a unique bird bath for a woman's amazing foster parents. Alex creates a personalised toolbox, while Saf makes a stylish drinks cabinet.

Mike Brewer spots a well-maintained Mercedes 560SL, which was the car of choice for rich petrol-heads in 1987, and sets out to give the vehicle a complete refresh

Terry Walker runs a successful scrapyard in Bolton. With help from his family and staff, he tries to find his next money-making scheme alongside running his business

Rob Nelson examines bizarre markings that suggest a violent clash between prehistoric beasts, and in California, he investigates whether a strange lake might be home to alien life

Archaeologists use new digital technology to understand the ancient moai statues of Easter Island and the purpose behind their mysterious placement

Trekking deep into Mexico's narco-controlled jungles, Josh hunts for the last Mayan stronghold to ward off the Spanish conquistadors

Johnathan's crab pots are in peril. Sig seeks a Bairdi hotspot with a decades-old computer. Jake's short on crew and must put his niece on hydraulics

Rob Nelson examines bizarre markings that suggest a violent clash between prehistoric beasts, and in California, he investigates whether a strange lake might be home to alien life

Archaeologists use new digital technology to understand the ancient moai statues of Easter Island and the purpose behind their mysterious placement

Vernon runs out of patience when one of his divers struggles with the freezing temperatures. Meanwhile, Zeke is left frustrated by unexpected flooding

Digger and Amanda's plan to distil beer in Popcorn Sutton's old still hits a wall. Mark and Digger turn unsold light beer into shine. Josh is stuck in a van

Buying goods from home

Buying goods from home