based on the activation of photoreceptors in our retinae, whether we are looking at our grandmother. The basic unit of any computational system, then, is its simplest nonlinear element.

Global growth is forecast at 3.0 percent for 2019, its lowest level since 2008–09 and a 0.3 percentage point downgrade from the April 2019 World Economic Outlook. Growth is projected to pick up to 3.4 ...

Blunt chest trauma also may cause ventricular fibrillation in a structurally normal heart, known as commotio cordis. Although geographical differences in the causes of SCD in young athletes have been ...

Vision begins in the retina at the rod and cone photoreceptors, which are sensory neurons with specialized visual pigments for capturing light quanta. Most mammals have one type of rod and two ...

Sunrise Sunset Time Calculator to find the exact Sunrise time and Sunset time in any place or city around the world. Citywise sunset Calendar and Sunrise calendar. What is today's Sunset Time in a ...

LibraSep 24 – Oct 23 Your Weekly Horoscope: Just as it does at every June Solstice, the Sun moves into sensitive Cancer. This year, the change of momentum it creates is highlighted because of a ...