Discovery Channel HD Today

The technology used in the manufacture of pencils, metal recycling and coffee production

The processes behind the manufacture of javelins, cuckoo clocks and windscreen wipers

Pete Nelson helps a couple in Maine with their dream of a magical treehouse for grown-ups, and raises the curtain on a Tudor-style theatre treehouse in Massachusetts

Dustin's crew make an exciting discovery that pushes them to test their limits. Fred's crew is dangerously deep and under pressure to get down to bedrock

A storm turns McKinley Creek into a raging torrent, but Dustin is unwilling to call it quits. Fred's fears come true as the walls of his dive hole come crashing down

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.

How a dung beetle standing on its head can roll a ball in a straight line and whether egrets ever regret hanging out next to hungry alligators

Experts examine amazing natural phenomena, revealing which animals get the giggles and why San Francisco's sea lions mysteriously swim away - all at once

A snake that is able to exist totally undetected by predators and footage of a dolphin whose behaviour defies explanation

Footage of crows leaving gifts in Seattle, a shark that might be older than America and the mystery of what is making crop circles in the sea

A look at how wood-burning stoves work, and how the development of the synthesiser helped change music for ever

The construction process behind the creation of the reinvented Morgan three-wheeler. Plus, the making of flame-retardant materials that help protect firefighters from burns

An insight into how wind turbines with twice the wingspan of a Boeing are made. Plus, how the ooze of a tree is moulded into car tyres

The design and manufacture of tank-piercing 'super bullets', and the creation of dentists' drills

As the end of winter approaches, the residents look toward to the future. Bob trains Ruger to be a hunting dog, while Ray prepares for a life without his daughters

Sunlight finally returns to the refuge, but Heimo is stopped in his tracks by minus 50 degree temperatures, and the Seldens make their home in a new cabin

In Sao Paulo, the boys buy a Brazilian designed VW SP2. It's a dream come true for Mike, but the car lacks power and Elvis has to give it some brawn

Mike and Elvis head to sun drenched Portugal where the iconic Mini Moke has earned cult status. It's a car with a very special place in Mike's heart

John makes an emergency trip to St. George Island to feed his hungry crew. Sig and Jake lure Bairdi crab to their own side of a maritime boundary.

Chasing a royalty-free payday, Jared bets half his crew on an abandoned claim. With $1m due in 8 weeks, it could win - or sink - the Forever Claim.

Josh, Phil and Heather investigate the notorious Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures

In Skåne, Stefan stops a drunk driver. A closer look in his car reveals large quantities of smuggled goods. Alex looks for cannabis at a party cruise

John makes an emergency trip to St. George Island to feed his hungry crew. Sig and Jake lure Bairdi crab to their own side of a maritime boundary.

Chasing a royalty-free payday, Jared bets half his crew on an abandoned claim. With $1m due in 8 weeks, it could win - or sink - the Forever Claim.

Part one of two. The weather is turning, so it's 'make or break' time for many miners in the fleet. Vern finds a lucky nugget, while Shawn battles freezing ground

As Mark and Digger undertake their large-scale bootleg to Nashville, the law makes an unwelcome return. Plus, Mexican moonshiners make Tim liquor with meat

Buying goods from home

Buying goods from home

How the manufacture of technical glass, washing machines, playing cards and crossbows has changed over time

The origins of cine cameras, glass Christmas ornaments and giant tyres, and how their manufacture has changed with technology