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Colourful thoughts

20 Mar 2017

I am聽no alarmist when it comes to "artificial chemicals" used in food or cosmetic production. But I do question the use of colourants because they have no function other than changing the...

A Tarnished Gold Rush

20 Mar 2017

It鈥檚 hard for us here in North America to believe that gold is killing hundreds of children in Nigeria. Well, it isn鈥檛 exactly the gold that is killing them, it is the lead oxide and lead carbonate...

Smoking Bed Bugs?

20 Mar 2017

Every morning starts with a bit of excitement as I take a look at the emails that have accumulated overnight. Besides the usual junk, there are always some interesting questions, sometimes really...

Vitriolic Attacks

20 Mar 2017

In the Sherlock Holmes story, The Case of the Illustrious Client, a former paramour seeks revenge on the dastardly Baron Adelbert Gruner by splashing the Baron鈥檚 face with sulphuric acid, which at...

Citrus greening

20 Mar 2017

You have probably never heard of the Asian citrus psyllid. But this insect, no bigger than the head of a pin, could be the reason that within a couple of years you will not be drinking orange juice...

What are "oxo-biodegradable plastic" shopping bags?

20 Mar 2017

Polyethylene shopping bags are a big convenience but they also present a big problem. While they can be recycled, many just get carelessly discarded and end up in the environment not only as an...

PCBs are Not 鈥淭oxic Time Bombs鈥

20 Mar 2017

We haven鈥檛 heard much about polychlorinated biphenyls, or 鈥淧CBs鈥 since the fire at St. Basil-Le Grand in 1988, but we sure are hearing a lot now. There are two angles to the illegally stored PCB...

The Problem of Herbicide Resistance

20 Mar 2017

Farmers who are growing herbicide resistant crops such as corn or soy may start to identify with Audrey Jr. in Little Shop of Horrors. In that film, later made into a Broadway musical, a dorky...

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