USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...

OctopusEffects, #Blender Creates a laser beam from a point projected onto a surface. Create a light effect where the surface ...

Liver cancer screening uses ultrasound and AFP biomarker tests, with CT or MRI for further evaluation if abnormalities are ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

Two women reflect on their experience with the increasingly common form of breast cancer which is often caught too late.