
How It's Made
Aluminum foil; snowboards; contact lenses; bread; host Mark Tewksbury.

Aluminum foil; snowboards; contact lenses; bread; host Mark Tewksbury.

Super tugs prevent disasters; a heavy-lift crane that has to build itself.

Helicopter overcomes mother earth when avalanches threaten the Winter Olympics; flood defenses.

A crane vessel pieces together an oil rig; digging a tunnel beneath a peaceful village.

The heavy-lift ship transports one of the largest cargoes in one piece.

Dredger must cut through volcanic rock; a rig wreaks havoc; a chopper faces a test.

A backhoe dredges New York harbor to make way for larger cargo ships; revolutionary firetruck.

Wheel loader digs a copper mine; an assault transport that goes across land and into water.

The longest road-going vehicle brings electricity to an isolated region; tunneling behemoth.

A look at how dogs detect underwater targets and what makes ostriches nature's best runners.

A look at how anteaters slurp up so many ants, why beavers build dams and how canines stay cool.

A look at how woodpeckers avoid concussions and how ants survive a flood.

A look at how fish take a bath, how polar bears stay warm, and if a pet pup is smarter than a wolf.

A look at how massive humpback whales propel themselves into the air; asking if hippos sweat blood.

A look at how thousands of bats take to the air without colliding; learning if mice do love cheese.

A look at what dog barks actually mean; why sloths turn green; who the best jumper is.

A look at why birds sing in the morning and what makes seahorses virtually indestructible.

A look at how furry koalas keep cool in the sun; how elephants communicate when they're miles apart.

A look at why spiders don't get stuck in their own webs; how foxes find water in the desert.

A look at how dogs know when someone is sick and which animal makes the most amazing nest.