Double trouble in China
Why did the earthquake that struck China on 12 May cause so many deaths? Because it was just 10 kilometres below the surface, there was less of a chance for the seismic wave’s energy to dissipate than in a deeper quake. What’s worse, buildings in the densely populated Sichuan province were only built to withstand a quake roughly a fifth as powerful, says Hong Hao at the University of Western Australia in Perth.
ME’s not all in the mind
Chronic fatigue syndrome, or ME, has seven genetic profiles, say researchers from London’s St George’s Hospital. Their…
