Would you like greens with that?

What if the greens you need for tonight's dinner were grown on the roof of the office where you work? From a cook's perspective this is a dream – fresh produce and no time wasted on shopping. And the advantages of urban ...

Sticking power of plant polyphenols used in new coatings

A simple kitchen sink experiment helped Northwestern University researchers discover that green tea leaves not only can be used to steep a good cup of tea, but they make an excellent antibacterial coating, too.

Africa can rapidly close the economic gap with the West

In the coming years Africa could experience a favourable turnaround and move away from poverty. A number of historical factors that until now have hindered a rapid agrarian transition is quickly being eliminated. But there ...

Stage set for battle over Canada-US pipeline

A lengthy battle over the controversial Keystone XL pipeline, which aims to funnel oil from Canada's tar sands to coastal Texas, heads to the most hotly contested area along the route Thursday.

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