Discovery Science +1 Friday

A pioneering experiment shows how ancient Egyptians built the giant obelisks of Thebes, with new findings suggesting how they prompted the downfall of the pharaohs

Buying goods from home

Buying goods from home

Developments in the manufacture of cufflinks, dashboards, blueberry turnovers and earthenware pottery

The development and manufacturing processes behind the creation of pharmaceutical blister packs, deli slicers and weather vanes

Chuck and the team investigate an unusual sighting outside the infamous Skinwalker Ranch in Utah, with evidence suggesting it could have been an alien

An ongoing series of UFO sightings off the Southern California coastline leads Chuck and the team to examine the link between UFOs, the military and the ocean

A recent UFO sighting in Phoenix leads Chuck and the team to Sedona, Arizona, where they explore whether the area's energy vortexes can act as portals for otherworldly visitors

In this edition, Richard ventures beneath the Alps into the world's longest underground railway connection, the Brenner Base Tunnel

Richard visits the huge Tottenham Hotspur Football Stadium in London, where he explores a pitch that splits and rolls away, and takes a terrifying walk on the stadium roof

Rob Nelson heads to California to investigate a network for major fault lines that could set off a mega-quake. Plus, he explores a mysterious sinkhole

Rob Nelson investigates a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus

The documentary series investigates dark matter, a mystery that continues to elude scientists today, and one that could be behind the formation of supermassive black holes

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

The astronomical documentary turns attention to the surprisingly active surfaces of dwarf planets, from the oceans of Pluto to the vanishing volcanos of Ceres

The manufacture of garden forks, English toffee, paint chip cards and Bundt pans, and how processes have developed through the years

The making of pewter flasks, potato salad and hydrogen fuel cells, and how technology has influenced their production

The making of robotic hunting decoys, tinned tomatoes, scoreboards and lassos, and how technology has influenced their production

The making of turf grass, beef jerky, wood chippers and bowling pins

The manufacture of items including Leatherman multi-tools, jojoba oil, and different kinds of marionette, and how processes have developed over the years

The processes involved in the creation of fish decoys and cylinder stoves. Plus, how film is digitalised

Montana rancher Clayton finds what might be a rare and valuable fossil on his family's property. In Wyoming, Mike and his son uncover a triceratops horn

Clayton continues his excavation of a rare, carnivorous dinosaur on his Montana ranch. In Wyoming, Mike and Jake prepare to sell their prized T-Rex fossil.

Historians and scientists explore the life and work of Nikola Tesla, the Serbian-American inventor rumoured to have created world's first weapon of mass destruction

The team starts work on reconstructing Tesla's 'Death Ray', and a new lead prompts Jack and Cameron to go to Colorado Springs seeking the former site of his laboratory

The documentary series investigates dark matter, a mystery that continues to elude scientists today, and one that could be behind the formation of supermassive black holes

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

The astronomical documentary turns attention to the surprisingly active surfaces of dwarf planets, from the oceans of Pluto to the vanishing volcanos of Ceres

New discoveries at a strange prehistoric site reveal the dark secrets and rituals of the mysterious people who built the world's largest stone circle