How does the brain turn waves of light into experiences of color? Perceiving something -- anything -- in your surroundings is to become aware of what your senses are detecting. Today, neuroscientists identify, for the first time, brain-cell circuitry in fruit flies that converts raw sensory signals into color perceptions that can guide behavior. Healthcare privatisation linked with worse outcomes, higher profits: Lancet Study Science News: NEW DELHI: Privatisation of healthcare was found to almost never have a positive effect on the quality of care, and was associated with higher profits. Boeing Starliner launch slips to May 21 to verify helium leak fix Launch of a United Launch Alliance Atlas 5 rocket carrying Boeing's Starliner capsule is slipping another four days, from Friday to next Tuesday, to give engineers time to make sure a helium leak in the crew ship's propulsion system has been resolved, officials said Tuesday. |
FDA Approves Amgen Drug for Persistently Deadly Form of Lung Cancer The treatment is for patients with small cell lung cancer, which afflicts about 35,000 people in the U.S. a year. PEN America, facing ongoing criticism over its response to the Mideast war, gathers for annual gala Literary and human rights organization PEN America gathered for its annual gala, a high-profile event with guests including Seth Meyers and Paul Simon this year. What military doctors can teach us about power in the United States A study of interactions between military doctors and patients of various ranks confirms that people with higher status get resources at other people's expense. Firefighters may have higher prostate cancer risk On-the-job chemical exposures may put firefighters at an increased risk of prostate cancer, a new study shows. |