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California Academy of Sciences: Human Evolution -- Tool use by early humans started much earlier. The Academy's Zeray Alemseged reveals his latest discovery: human stone tool use dating back to 3.4 million years ago. Small-brained human ancestors used stone tools to whack into large mammals some 800,000 years earlier than previously thought.
See how a smell gets up a shark's nose, how our brains are tricked by ambiguous scenes and how altitude will affect the World Cup.
The "Lightcraft" is a laser-propelled spacecraft concept that could ultimately run on other beamed energies, such as microwave.
bold new natural history museum poses unique challenges for engineers.
Materials Science is about research in High-performance steel for e.g., the automotive industry; Wood and bio composites as replacements for plastic in composites; and Tribology where friction and wear are studied to find ways of reducing energy consumption and increasing the working life of mechanical components. This video showcases research in Materials science at Luleå University of Technology
A butterfly tips the scales on a super sensor to determine weight and pressure, part of research project on artificial skin.
Watch the laws of physics at work, at 1,000 frames per second. And, get a quick lesson in positive and negative G's.
Human exploration of our Solar System is an important focus for ESA. The European Space Agency has started on the path to making this a reality in the future. Making sure that our astronauts are prepared mentally and physically for the demands of long exploration missions is imperative a mission's success. In light of this, ESA is undertaking a cooperative project with the Russian Institute for Biomedical Problems (IBMP) in Moscow, called Mars500.
This is a short film about architecture in its broadest sense.
Packing for Mars author Mary Roach debunks an alleged NASA study on sex positions in a zero gravity orbital environment. "It's the greatest hoax on the Internet," she says. Roach also recalls what cosmonaut Aleksandr Laveykin, who spent 174 days in space, had to say on sex in space.
