Background Predicting progression to aortic valve replacement (AVR) in moderate aortic stenosis (AS) is challenging. This ...

Late last year, astronomers detected the sixth known dark vortex on Neptune. This time, however, scientists were able to chronicle the formation of this swirling storm over the course of several years ...

The United States Air Force (USAF) is taking flying lessons from geese and spiny lobsters. This may seem like the mother of all bureaucratic errors, but there’s actually some pretty solid science ...

The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.

The stunning moment when the vortex was formed as grey clouds engulfed the skyline causing more rainfall was shared on social media. (Photo: Twitter) New Delhi: Torrential rains pounded Mumbai, Thane ...