India’s Nuclear Minimalism: Looking Through the Smokescreen

Electronic cigarettes: peering through the smokescreen.

Health professionals and their patients have every reason to feel confused. One week the WHO issues a position paper calling for strict regulations on electronic nicotine delivery systems (ENDS), more commonly referred to as electronic cigarettes, including restrictions on marketing and a ban on using them in enclosed public spaces. The next week, a group of scientists attracts widespread media...

Causes and control of chronic respiratory disease: looking beyond the smokescreen.

Editorial Causes and control of chronic respiratory disease: looking beyond the smokescreen Cigarette smoking is as strongly related to death from chronic bronchitis and emphysema as it is to mortality from lung cancer.' Symptoms of cough, phlegm, wheeze, and breathlessness are also much more common among individuals and populations who smoke, and are reduced when they quit the habit.2 A random...

Lifting the smokescreen.

Through the Looking Glass

In 1986, when I first started to think about the invariant theory of finite groups, there existed only one superb reference, the article by R.P. Stanley[1]. Since that time, there has been an explosion of interest, with many books and articles published, and conferences held. For example, there are two books by Bernd Sturmfels[2],[3], David Benson’s book[4] Polynomial Invariants of Finite Group...

Through the Looking Glass

It is frequently possible to produce new Calabi–Yau threefolds from old ones by a process of allowing the complex structure to degenerate to a singular one, and then performing a resolution of singularities. (Some care is needed to ensure that the Calabi– Yau condition be preserved.) There has been speculation that all Calabi–Yau threefolds could be linked in this way, and considerable evidence...