30/09/2011

'Artificial leaf' makes fuel from sunlight (w/ video)

Researchers led by MIT professor Daniel Nocera have produced something they’re calling an “artificial leaf”: Like living leaves, the device can turn the energy of sunlight directly into a chemical fuel that ...

Physicists consider their own carbon footprint

In October's issue of Physics World, Phil Marshall, an astrophysicist at the University of Oxford, calls on physicists to pull their weight when it comes to climate change, drawing on his own research showing that astronomers ...

Vicious queen ants use mob tactics to reach the top

Leptothorax acervorum ants live all over the Northern hemisphere, but their reproductive strategy depends on habitat. Colonies are polygynous (more than one queen) in the forest of Siberia and central Europe, but functionally ...

Alstom says China needs to 'master' rail technology

Alstom, the French engineering group falsely blamed for a metro accident in Shanghai, said Friday that China needed to "absorb and master" the new railway technology it has acquired in recent years.

Profound change for Facebook set to 'lock in' users

Facebook on Friday begins rolling out its biggest ever shake-up, in a move observers say will not only profoundly alter how its 800 million users interact with the site, but will keep them coming back for decades to come.

Pressure forces teens to 'sext': Australian study

Teenagers are under pressure to send nude photos of themselves and other sexual images from their mobile phones as "sexting" becomes more widespread, new Australian research shows.

page 5 from 5