Archive: 05/15/2008

Long lost sisters

The human race was divided into two separate groups within Africa for as much as half of its existence, says a Tel Aviv University mathematician. Climate change, reduction in populations and harsh conditions may have caused ...

May 15, 2008 4.3 / 5 (20) 0

MIT crafts bacteria-resistant films

Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers that could be applied to medical devices and other surfaces ...

May 15, 2008 4 / 5 (2) 0

Fuel cells: distant dream, but burning with promise

Some day, fuel cells may power your car and exhaust only water and perhaps carbon dioxide. More efficient and cleaner than an internal combustion engine, their emissions will be much lower. They may also run ...

May 15, 2008 3.9 / 5 (18) 0