The arterial vasculature is the second most frequently calcified structure in the human body after the skeleton. Calcification of the aorta and aortic valves occurs in most individuals in westernized ...

Astronomers have uncovered a hidden cosmic web of galaxies and gas by mapping hydrogen light from the early universe.

While it’s hard to feel optimistic at the moment, we must resist resignation. No quick fix will address all the challenges that threaten social cohesion, but there are things we can do to begin the ...