Perched atop a mountain crest, mysteriously abandoned more than four centuries ago, Machu Picchu is the most famous archeological ruin in the Western hemisphere and an iconic symbol of the power and engineering prowess of the Inca.
Science on TV
How do you get a genius brain? Is it all in your DNA? Or is it hard work? Is it possible that everyone’s brain has untapped genius — just waiting for the right circumstances so it can be unleashed? From a man who suddenly acquired an extraordinary musical gift after a freak head injury to a “memory athlete” who can remember strings of hundreds of random numbers, David Pogue meets people stretching the boundaries of what the human mind can do in NOVA scienceNOW: How Smart Can We Get?
There is a startling gap between the glamorous television world of “CSI” and the gritty reality of the forensic crime lab. With few established scientific standards, no central oversight, and poor regulation of examiners, forensics in the U.S. is in a state of crisis.
Take an eye-opening look at some of the world’s most important case studies in energy policy. Learn how great nations and small communities are finding sustainable solutions that provide for people and protect the planet.
Geologist Richard Alley examines countries that are moving toward renewable energy sources. In Spain and Morocco, large-scale solar farms and individual photovoltaic panels atop tents in the Sahara are beginning to bring the vast potential of the sun down to Earth.
In the 4-part NOVA series The Fabric of the Cosmos, accompany physicist and acclaimed author Brian Greene on a mind-bending reality check and journey to the frontiers of physics to see how scientists are piecing together the most complete picture yet of space, time and the universe.
Mark Evans and Joy Reidenberg brave the baking desert to dissect a camel, the ultimate desert survivor. They uncover the secret of the camel’s hump and investigate how its elastic legs, stretchy lips and pedestal (a strange bump on its chest) are among the many surprising adaptations that enable the camel to thrive in such a dry and hostile environment.
They slice through the water’s surface with explosive power — sail, spear and half a ton of muscle flashing in the sun. Their journeys through the open ocean are epic, their life cycle, bizarre. They are the billfish — marlin, sailfish, spearfish and swordfish — largest and most highly prized of all gamefish.
Investigate the parallel stories of collapsing Pacific salmon populations and how biologists and engineers have become instruments in audacious experiments to replicate every stage of the fish’s life cycle in Nature “Salmon: Running the Gauntlet.”
Bones of Turkana, the stunning new National Geographic Special, follows Richard Leake’s astonishing life and investigates four decades of exploration and discovery in Africa, alongside Meave and Louise, both paleontologists and National Geographic Explorers-in-Residence.
In 2011, the worst tornado season in decades left a trail of destruction across the U.S., killing more than 550 people. Why was there such an extreme outbreak? How do such outbreaks form? With modern warning systems, why did so many die? Is our weather getting more extreme - and if so how bad will it get?