In August, a rover named Curiosity touched down inside Mars’ Gale Crater, carrying 10 new instruments that will advance the quest for signs that Mars might once have been suitable for life. But Curiosity’s mission is risky. After parachuting through the Martian atmosphere at twice the speed of sound, Curiosity was gently lowered to the planet’s surface by a “sky crane.” This first-of-its-kind system has been tested on Earth, but there was no guarantee it would work on Mars.
With cooler weather approaching, many students, teachers and parents are beginning to prepare for Spring Science Fairs.
Have you ever wondered what's going on inside an animal's head? How does an animal see the world — and us? Is your dog really feeling guilty when it gives you that famous “guilty look?” Do pigeon brains possess “superpowers” that allow them to find their way home across hundreds of unfamiliar miles? Is it possible that swarms of bees communicate in patterns similar to human brain cells?
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.
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?