A powder made from the scabs of pustules on the skin of people who had survived smallpox. The eradication of this horrific disease, which is thought to have first appeared around 10,000 B.C., is...
In 1895聽Wilhelm Roentgen made one of the most famous medical discoveries of all time when he noticed that a beam of electrons passing through a partially evacuated tube gave off invisible rays that...
Plastic bags that have been carelessly discarded and get caught up on tree branches. Polyethylene bags fluttering in the wind, desecrating our beaches and piling up in cabinets under our sinks,...
While PET has a very low permeability when it comes to carbon dioxide, it readily allows oxygen to pass through. And oxygen is the enemy of wine! When we talk about storing soft drinks,...
Sulphuric acid, which has the traditional name, 鈥渙il of vitriol.鈥� It is a nasty, corrosive liquid, making 鈥渧itriolic鈥� an apt term for virulent language. At first it may seem odd that the term ...
