Gary Thorgaard, director of Washington State University's School of Biological Sciences and a co-author of the paper, says the experiments in his laboratory and others have shown it is possible to reverse the sex of trout embryos through the use of hormones.

CNN: Something's fishy with chinook salmon

"Since 2001, efficiency gains alone have not been nearly sufficient to compensate for the effect of heavy industrialization, " says a 2006 paper by the China Energy Group of the Lawrence Berkeley National Laboratory in California.

FORBES: Magazine Article

After years of laboratory research, we came up with an invention we like to call..A Piece of Paper!

FORBES: PowerPoint Is NOT a TelePrompTer

It does everything from breeding new seeds and cattle, to creating ultra-thin edible wrapping paper for foodstuffs that changes colour when the food goes off, to running a nanotechnology laboratory creating biodegradable ultra-strong fabrics and wound dressings.

ECONOMIST: Brazilian agriculture