Routines to create rounded corners, with either circular rounding, or continuous curvature rounding with no sudden curvature transitions. Provides rounding of corners or rounding that preserves corner ...

A 250,000-year-old footprint preserved in ash, and the effect of a polluted atmosphere on health and the economy, in our weekly dip into Nature’s archive.

The following answers to this artful question each win a random book. Art is something we do, a verb. Art is an expression of our thoughts, emotions, intuitions, and desires, but it is even more ...