Lasers are widely used as high power sources of light operating at a specific frequency. But how does this frequency get selected when a laser is turned on, and how quickly?
New research shows the myfood24 online diet monitoring tool is as effective as similar tools already available to health care practitioners, researchers and educators, and more efficient to use.
Historic levels of particles in the atmosphere released from pre-industrial era fires, and their cooling effect on the planet, may have been significantly underestimated according to a new study.
Women are at a greater risk of dying after a heart attack than men because their condition is being misdiagnosed, a leading researcher has told MPs.
Scientists have measured the nutritional value of herbivore dinosaurs’ diet by growing their food in atmospheric conditions similar to those found roughly 150 million years ago.