Nature
Harnessing nature’s solar cells
February 3, 2012
Photovoltaic panels made from plant material could become a cheap, easy alternative to traditional solar cells.
Also labeled: Bioengineering and biotechnology, Biology, Energy, Innovation and inventions, Photosynthesis, Photovoltaics, Solar
How spider webs achieve their strength
February 2, 2012
It’s not just the strength of the silk itself, a new study finds; the silk’s way of stretching and the structure of the whole web help it resist damage.
Speed limit for birds
January 20, 2012
MIT researchers find critical speed above which birds — and drones — are sure to crash.
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