Ben McCullough, 76, received an EVOQUE heart valve last fall. On Wednesday, he got to thank the makers face-to-face.

With regional differences in which name is used for the aortic fix, some say unity is needed. Others can live with both.

The Department of Water and Sanitation (DWS) has opened six valves at the Vaal Dam to gradually increase water outflows by another 200 cubic metres per second (mᵌ/s) and manage water levels. The ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Surface fouling induced by biomolecules and microorganisms remains a persistent ...