News archive - 2000

Friday, November 24, 2000

How safe is our water?

Canadians used to be complacent about the purity of their drinking water. Then came the wake-up call at Walkerton.

by Gary Nyp "Reprinted with permission from the University of Waterloo Magazine, Fall 2000."

Until recently, Walkerton was a tranquil southwestern Ontario town, a friendly, vibrant tourism hotbed known for its quaint shops, nature trails, and canoe trips along a serpentine Saugeen River abundant with trout, bass, and salmon.

Friday, November 24, 2000

Professor Bill Sarjeant thrilled by use of his names for seabed formations

Some people have streets named after them. Some, parks. Some, towns. Some, mountains.

University of Saskatchewan Geology Prof. William Sarjeant found out quite by accident the other week he has been immortalized in a very special place -- at the bottom of the Atlantic Ocean. And he couldn't be more thrilled.

Friday, November 24, 2000

Canadian Rockhound: an online earth science magazine for collectors, children and schools

Dirk Schmid, M.Sc.
Ryerson Polytechnic University, Toronto

Finding a well-designed internet website with interesting and useful information on the earth sciences can be a frustrating exercise. Many existing websites offer content of little use to children, parents and teachers, or they are poorly organized, or they don't work properly. Websites focusing on Canadian content are few and difficult to find.

Friday, November 24, 2000

The walking question marks

Jean Farquharson

What do the following activities have in common?

Friday, November 24, 2000

Gypsum

Kelly Snyder and Peter Russell

Gypsum, hydrated calcium sulphate, Ca SO4.2H2O is a common mineral formed mainly by the evaporation of sea water. Known from antiquity, its name comes from the Arabic jips, for "plaster," then to the Greek gypsos, for chalk.

Gypsum can be found as thick layers in shale and as attractive crystals.

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