Testosterone Television: Tues. July 31st

All times Eastern.

• 6PM, History Channel – Ancient Discoveries: Mega Machines. A discovery spotlights two limestone coffins that date back 3000 years.
• 6PM, G4 – Ninja Warrior: Sasuke 16: Part 2
• 6PM, Science Channel – Rendezvous With Saturn’s Moon: Behind the scenes tour of advanced technology inside the Titan.
• 6PM, National Geographic – Engineering Egypt: Fortune, politics and religion of the Egyptian empire viewed through their architecture.
• 6:30PM, G4 – Ninja Warrior: Sasuke 16: Part 3
• 7PM, History Channel – Modern Marvels: Barbarian Battle Tech. The forts, weapons and technology of barbarians.
• 7PM, TLC – Mostly True Stories: Urban Legends Revealed: Solid Cement Cadillac. A baby sitter experiments with LSD; a Christmas surprise backfires; a woman pays the ultimate price for a new dress; a jealous husband hatches a deadly plan.
• 7PM, Discovery Health – Impact: Stories of Survival: Building Collapse. A steel bar goes through a man’s skull; a man is caught in a collapsed fiery building; a skydiving instructor falls on ice at 50 mph.
• 7PM, Discovery HD – Valley of the T-Rex: A paleontologist questions theories about the tyrannosaur when he finds five specimens in Montana.
• 7:30PM, PBS (NY 21) – Wild Chronicles: Solar power in the Army; hawksbill turtles; children learn photography in Uganda; captive animals.
• 8PM, PBS (NY 13) – Nova: NOVAscienceNOW. Genetic research that may solve the mystery of longevity; ancient papyrus scrolls; archaeologist Julie Schablitsky; a 250-million-year-old murder mystery.
• 8PM, Discovery Channel – Dirty Jobs: Jobs That Bite … Harder: Men and women who risk their lives working with sharks.
• 8PM, TLC – Sports Disasters: Extreme Danger. Deadly car-race; whale-watching; base-jumping; speedboat accident.
• 8PM, Food Network – Feasting on Asphalt: I Smell Pork. Alton and crew enjoy pork products and meet a famous colonel.

9PM and on after the jump!

• 9PM, History Channel – The Universe: Alien Galaxies. The billions of stars that exist beyond the Milky Way.
• 9PM, Discovery Channel – Shark Feeding Frenzy: Experts study the feeding habits of sharks.
• 9PM, Sundance – It’s Not Easy Being Green: The water wheel is hooked up to the generator.
• 9PM, National Geographic – Mystery of the Romanovs: Some still consider the fate of Russia’s imperial family to be an open case.
• 10PM, Discovery Channel – Shark Rebellion: Scientists study shark attacks in Recife, Brazil.
• 10PM, Science Channel – Fireballs From Space: Comets, asteroids or meteors hitting Earth may have catastrophic consequences.
• 10PM, Military Channel – Weaponology: Artillery. The history of artillery, from catapults to cannons.
• 10PM, Fuse – Pants Off Dance Off: Shedding their clothes down to their skivvies while dancing to popular music videos gives some the chance to win bragging rights and cash.
• 11PM, Discovery Channel – Prowling Sharks in the Mediterranean: The Mediterranean is home to 45 shark species.
• 11PM, History Channel – Lost Worlds: Athens: Ancient Supercity. Athens; the first senate house; the Greek navy; water systems.
• 11PM, Comedy Central – Daily Show: Lewis Gordon Pugh, athlete who recently swam at the North Pole
• 11PM, Science Channel – Last Planet From Our Sun: The discovery of large, rocky asteroids in the outer solar system raises the question if Pluto should actually be considered a planet.
• 11:30PM, Comedy Central – Colbert Report: Kathleen Kennedy Townsend, author of “Failing America’s Faithful”
• 11:30PM, Cartoon Network – Family Guy: Stu & Stewie’s Excellent Adventure. Stewie is unhappy with the man he will become.