Scientists have released the first X-ray images of a mysterious, sphere-shaped object recovered in Colombia, which locals claim is of alien origin. The so-called ' UFO ' was spotted in March over ...

rdonar / Getty Images Palate Expander Uses Orthodontists sometimes use palate expanders to widen the roof of the mouth to create more space for shifting teeth. They are recommended for people with ...

So that both insert and toolholder fit into the groove, both the outer and inner diameters of the groove must be considered. The diameter measured to the outside of the blade determines the limit for ...