News tagged with world population

Plant perfumes woo beneficial bugs

Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the ...

Apr 24, 2012 5 / 5 (1) 0 | with audio podcast

World population to surpass 7 billion in 2011

Global population is expected to hit 7 billion later this year, up from 6 billion in 1999. Between now and 2050, an estimated 2.3 billion more people will be added—nearly as many as inhabited the planet as recently as ...

Jul 28, 2011 3.5 / 5 (21) 144 | with audio podcast