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Ecological credit crunch as human footprint expands
An ecological credit crunch: According to the Living Planet Report, we're using resources and producing waste 30% higher than Earth can renew and absorb.
October 29, 2008
Sheep: The new weapon against invasive plants
What’s better than spraying herbicides on a field full of non-native weeds? Setting a herd of sheep loose on it...
October 27, 2008
Engineers turn to nature for grand challenges
Calestous Juma of Harvard University reports that some of the best engineers in the world are coming together to tackle environmental problems in order to increase food and water supplies in the developing world.
October 27, 2008
DIY solar power motorcycle of the future
An electric, solar power motorcycle that began as a hobby is now reality. Learn more about the futuristic vehicle here.
October 27, 2008
First humans in China 1.7 million years ago
Stone tools and 2 front teeth, found decades ago, were recently dated by paleoanthropologists. It's evidence that the first humans arrived in China 1.7 million years ago.
October 26, 2008
Robots pump more iron with fuel-powered muscles
Nanoscientist Ray Baughman is steering humanoid robots towards a power system that mimics our own human muscles and doesn't need to be plugged in to recharge.
October 24, 2008
Sleep needed to downscale the brain’s synapses
Chiara Cirelli is working to understand the function of sleep. She believes we need sleep to refresh our synapses, which connect brain cells.
October 23, 2008
Smelling sounds with the help of hypnosis
Smelling sounds? Sure, it's possible. Sometimes hypnosis can mingle your senses. You can smell a hand clapping, for example. Read more here.
October 22, 2008
Can nanotech help meet the energy challenge?
Nanotech has the potential to help us produce more energy, says Shell scientist Sergio Kapusta. Hear Kapusta talk about the applications of nanotechnology to renewable energy.
October 19, 2008
Beef production has high cost to climate
Beef production has a high impact on climate. Eating less red meat can help cut back on the greenhouse gas emissions now implicated in climate change.
October 18, 2008
