Jul

9

Just to Remember: Twelve Principles of Green Chemistry

July 9, 2010 | Leave a Comment

Twelve Principles of Green Chemistry: Prevention Atom Economy Less Hazardous Chemical Syntheses Designing Safer Chemicals Safer Solvents and Auxiliaries Design for Energy Efficiency Use of Renewable Feedstocks Reduce Derivatives Catalysis Design for Degradation Real-time analysis for Pollution Prevention Inherently Safer Chemistry for Accident Prevention A more complete version can be found at EPA’s site: Twelve [...]

May

17

Archaeopteryx: The Dinobird

May 17, 2010 | Leave a Comment

X-Rays Reveal Chemical Link Between Birds and Dinosaurs. Researchers have found that a 150 million year old “dinobird” fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal’s original chemistry. Using the bright X-ray beam of the Stanford Synchrotron Radiation Lightsource, located at the Department of Energy’s [...]

Jun

30

How Chemistry can Reveal the Secrets of Ancient Worlds

June 30, 2009 | Leave a Comment

How Chemistry can Reveal the Secrets of Ancient Worlds: The day-to-day lives of prehistoric humans have been revealed following new research developed by chemists at the University of Bristol. The research, which combines archaeology with cutting-edge chemistry allowing scientists to reconstruct the past, will be presented at the Royal Society’s annual Summer Science Exhibition [30 [...]

Jun

30

New Fluorescent Silicon Nanoparticles

June 30, 2009 | Leave a Comment

University of Leicester researchers discover new fluorescent silicon nanoparticles. Researchers in the Department of Physics and Astronomy at the University of Leicester have developed a new synthesis method, which has led them to the discovery of fluorescent silicon nanoparticles and may ultimately help track the uptake of drugs by the body’s cells. Dr Klaus von [...]

Dec

26

More Testosterone Poisoning: ‘Humour Comes From Testosterone’

December 26, 2007 | Leave a Comment

Humour ‘comes from testosterone’. ‘Men are naturally more comedic than women because of the male hormone testosterone, an expert claims. Men make more gags than women and their jokes tend to be more aggressive, Professor Sam Shuster, of Norfolk and Norwich University Hospital, says. The unicycling doctor observed how the genders reacted to his “amusing” [...]