6,170 articles mezi dny 1.8.2020 a 31.8.2020

AstraZeneca's COVID-19 vaccine candidate begins late-stage U.S. study

Trial participants will receive either two doses of the experimental vaccine, dubbed AZD1222, four weeks apart, or a placebo, the company said. The trial is being conducted under U.S. government's Operation Warp Speed program, which aims to accelerate development, manufacturing and distribution of vaccines and treatments for COVID-19. U.S. President Donald Trump has said a vaccine for the novel...

How weather news impacts public transit ridership

Researchers found a correlation between words used in media coverage related to weather or air quality, and transit ridership. It's not enough yet to say that media coverage causes changes in ridership. But it's enough to explore what factors in to a person's decision to ride transit and whether that decision can be nudged.

Scientists show how brain flexibility emerges in infants

Cognitive flexibility, which refers to the brain's ability to switch between mental processes in response to external stimuli and different task demands, seems to begin developing during the first two years of life, which is much earlier than previously thought. Researchers used magnetic resonance imaging techniques to show the emergence of a functional flexible brain during early infancy.