And you thought the life of a hippo was all mud and muck. Why, they've got fish waiting on them hide and tail, ready and willing to scrub them squeaky - at least for hippos - clean.
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How were the blocks raised to the top of the 489ft Great Pyramid? An architect develops a theory about a snaking internal ramp that's been hidden inside the pyramid for 4500 years.
Unlocking the Great Pyramid :
SUN NOVEMBER 16 9P et/pt
Stephen Hawking's theory of black holes and Richard Gott's theory of cosmic strings give hope to those seeking a route to time travel.
Naked Science: Time Machine :
THURS SEPTEMBER 11 10P et/pt : http://channel.natio nalgeographic.com/se ries/naked-science/3 486/Overview/?source =4003
Surrounded by contradictions, the mummy known as Unknown Man E has fascinated Egyptologists for over a century.
Mystery of the Screaming Man : FRI NOVEMBER 21 9P et/pt : http://channel.natio nalgeographic.com/se ries/expedition-week /3914/Overview
Japanese giant hornets pack a venomous sting so strong it can dissolve human tissue. But when a hornet scout enters a beehive, watch as the bees turn the tables on their enemy and literally bake the predator to death!
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During the Cold War, the CIA launched a highly classified program aimed at mastering the art of mind control.
CIA Secret Experiments :
MON MARCH 10 10P et/pt : http://channel.natio nalgeographic.com/ch annel/videos/?source =4003
Bull sharks are known man-eaters. Crittercam goes with them to see how they hunt.
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Now this is strange, even scary: ants controlled by parasites, all because they ate the slime of a snail!
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Inmates and officers provide a view inside Stateville Correctional Facility.
Lockdown: Surviving Stateville :
SUN JULY 20 10P et/pt : http://channel.natio nalgeographic.com/se ries/lockdown/3830/O verview/?source=4003
What looked like smooth sailing proved treacherous for the rover Opportunity.
Five Years on Mars :
SUN NOVEMBER 2 8P et/pt : http://channel.natio nalgeographic.com/ep isode/five-years-on- mars-3963/Overview/? source=4003
How fast can a peregrine falcon fly? One scientist aims to find out by skydiving along with the birds.
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Parasitic worms seem almost able to make these snails do their own bidding!
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Why did the Maya abandon their magnificent city of Chichen Itza?
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This one small snake causes up to 50% of all venomous bites.
Asia-Pacific's Deadly Dozen :
SAT DECEMBER 22 8P et/pt :
http://channel.na tionalgeographic.com /channel/video/?sour ce=4003
Near the Congo border, a band of Hutu rebels hold tourists hostage.
Locked Up Abroad: Uganda :
JULY 7 9P et/pt : http://channel.natio nalgeographic.com/se ries/locked-up-abroa d/3801/Overview
The Phoenix lander is sent to Mars to search the arctic plains to find water.
Naked Science: Mars Waterworld :
SUN MAY 25 9P et/pt : http://channel.natio nalgeographic.com/se ries/naked-science/3 351/Overview/?source =4003
With a powerful hallucinogenic cocktail, two believers endure a sometimes terrifying, sometimes revelatory, life-changing experience.
Taboo: Drugs :
WED OCTOBER 15 9P et/pt : http://channel.natio nalgeographic.com/se ries/taboo/all/Overv iew
The truth behind the legend of George Washington.
The Real George Washington :
WED NOVEMBER 19 9P et/pt : http://channel.natio nalgeographic.com/se ries/expedition-week /3618/Overview/?sour ce=4003
Leopards like to be left alone. Unless of course, it's mating season.
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Journey to the ancient religious complex of Angkor Wat in the jungles of Cambodia. A "city of temples" that reveals itself through a vast labyrinth of carved facades, galleries, and stairways.
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The manipulation of light and space makes the Penguin House in Tokyo seem much larger.
Tokyo: Living Small in the Big City :
THURS MARCH 20 8P et/pt : http://channel.natio nalgeographic.com/ch annel/videos/?source =4003
![Founding Father\](http://img.youtube.com/vi/SdDXIJdwoOk/2.jpg "Founding Father\")
