Here is the first installment of a new PME column featuring guest editorials.

People from all walks of life were buzzing about it when the seven-state "Big Game" lottery jackpot shot up to a record $363 million last year.

In plumbing system design, it is necessary to identify the pressures driving innovation and the impediments to innovation.

At last, January 1, 2001--a date welcomed as the day that saw the final and full implementation of the U.K. Water Regulations.

This month’s Letters section includes a couple of scathing epistles taking me to task for my January column on Legionella.

All too frequently you find out that what you know is wrong.

Astrophysicists fall into either the fire or ice camp when it comes to deciding the fate of the universe.

Sometimes the use of new terminology can invest long-standing areas of research or endeavour with a new lease on life.

Many industry manufacturers are jumping for joy over news that the moribund NEX trade show is being taken over by Messe Frankfurt Inc.

Leading a university department is a bit like farming-each season brings its own tasks, difficulties, solutions and rewards.