Navi Mumbai: A 78-year-old patient with severe mitral regurgitation has successfully undergone the MitraClip procedure, marking a significant advancement in minimally invasive heart care.

Abstract: It has been previously established that the Doppler velocities of F-region ionospheric echoes observed by the Super Dual Auroral Radar Network (SuperDARN) at high frequencies (HF, 8–20 MHz) ...

Most radars can measure reflectivity but you need a Doppler radar to measure velocity. Some 40 years earlier in 1842 the Austrian physicist Christian Doppler had discovered what is now called the ...

This year’s Valentine’s Day could be a gloomy one for Southern California with some rain in the forecast. Shanna Mendiola has your forecast for Sunday, Feb. 9, 2025.

These appear as radials of incorrect Doppler velocities in the area to the northeast of the radar. Doppler observations can also reveal the presence of flocks of birds over Port Phillip Bay, which ...