Researchers at the University of North Carolina and North Carolina State University have reported that they have altered the flow of electricity through tiny carbon nanotubes by rotating them, like controlling the flow of electricity to a light bulb by turning a dimmer switch.
Jellyfish may hold the secret to the quest to create better light-emitting diodes, according to a group of researchers from the University of Southern California.
Anyone looking for a white Christmas should turn to the internet, where a physics professor from California has set up a website covering every aspect of snow.
Researchers at Friedrich Schiller University in Jena, Germany, have been looking at how phytoplankton, the photosynthesising microscopic plants that are at the bottom of the food chain, use chemistry to deter their predators - including other forms of plankton.
The government is expected to call a snap vote in parliament on relaxing the rules about using human embryos for scientific research, provoking fears among patient groups and scientists that the long-awaited measure could be defeated.
Winnie the Pooh and his mates are "seriously troubled individuals" and in dire need of psychoactive drugs, researchers from the University of Halifax, Canada, have said.
Neuroscientists at Vanderbilt University, Nashville, Tennessee, say that they have worked out for the first time just what happens in our heads when we realise we have made a mistake.
Germany's reputation as the powerhouse of European science and research is under threat because of an accelerating brain drain.
Anne Treneman investigates a dispute between the pharmaceutical company Apotex and medical researcher Nancy Olivieri over the new drug deferiprone: already it has led to lawsuits, gags, firings, hate mail and claims of intimidation.
A Cornell University laboratory study that suggested GM crops harmed butterflies provoked protests across Europe but now environmentalists are having to backtrack as field trials fail to confirm the risk.
Thale cress is a weed but it promises to trigger a new agricultural revolution: for the first time, scientists have unravelled the complete DNA blueprint of a plant
( Guardian , Daily Mail , Daily Telegraph , Times ).
A lesson learnt the hard way by thousands of dog owners has finally been proved by scientists at the Max Planck Institute for Evolutionary Anthropology in Leipzig: man's best friend is a cunning creature that will watch its master intently, ready to be disobedient the moment he is not looking ( Daily Telegraph , Times ).