The Bolton News on MSN

Dr Jane Wilcock: How angina drug GTN originated from explosives

Dr Jane Wilcock is a retired GP who lives in Harwood. She has more than 35 years of experience and shares her thoughts in a ...
PBS

First used in a tunnel

Gunpowder was first used in 1679, to build an underground section of the Canal du Midi, a canal connecting the Atlantic Ocean and the Mediterranean Sea. The tunnel was 157 meters long. Nitroglycerin ...