Take concrete steps Global food crisis and global warming have hit the headlines. The USA is sacrificing thousands of hectares of cornfields for ethanol to substitute petroleum products to curb transportation emissions.
Having a meaningful second life This month Bill Gates starts his new full-time career as a humanitarian, leaving behind the software bugs to swat the kind that cause malaria.
going green?
Yes, its possible As I was listening to Al Gore on the telephone, I was thinking: Uh-oh, the naysayers will have a field day with this one. The former vice president was giving me an advanced briefing on the speech that he delivered on Thursday, calling on the US to behave like a great nation and actually do something real about its self-destructive and ultimately unsustainable reliance on carbon-based fuel for its 21st-century energy needs.
whats the buzz
Soon toothbrush may become obsolete Get ready to bid adieu to the dreaded dentists drill and the floss-creating toothbrush, thanks to two radical new inventions by dental researchers that could change the way we take care of our teeth.
The healing bite... Tracy Roberts, 33, has her toes nibbled on by a type of carp called garra rufa, or doctor fish, during a fish pedicure treatment at Yvonne Hair and Nails salon in Alexandria, US. AP
