Photochemistry: Let there be light ? but not too much
Green plants have an in-built protection system that prevents their photosynthetic machinery from being damaged by excessive levels of light. Researchers have now demonstrated a similar mechanism in an artificial molecular system.
AP - The plan was nothing if not audacious: A turncoat persuades rebels to bring together their most prized hostages and march them 90 miles through Colombia's wilderness. A month later, disguised commandos primed with acting lessons land in a helicopter and trick the rebels into handing them over.
Reuters - The investigation of a salmonella
outbreak in the United States is shifting to the southern
border to encompass produce imported from Mexico, CNN reported
on Thursday.
