Acid rain! Many gravestones are made of marble, which dissolves in acid. This means that if rain water is acidic, every time there is some precipitation, a bit of the marble is worn away. Acid rain...
The carbon dioxide we exhale does not contribute to global warming for the simple reason that we also take up an equivalent amount of carbon dioxide from the air, albeit indirectly. Everything we...
Worry about contamination with lead! Chili powder is at the heart of Mexican cuisine and finds its way into numerous foods ranging from candies and salsa to fried grasshoppers. Unfortunately...
The other day, at the garden center, I noticed a box of fertilizer announcing that it contained a "natural" fertilizer… guano. In fact, before synthetic fertilizers, such as ammonium nitrate -...
Everyone knows that driving car is a risky business but what about just getting into one? Especially on a hot day! And we’re not talking about burning your rear by depositing it on the plastic seat...
We know what we should be doing if we want to be environmentally conscious. Recycle, compost, use public transport more, insulate better, shop with reusable bags. But here is something that is...
Think of alfalfa and you probably visualize a salad adorned with the sprouts of this legume served up in a California style restaurant. But that is a minuscule use of this plant. The prime use of...
You’ve heard of a tempest in a teapot. This is a hurricane in a thimble. I’m talking about a study carried out by Canada’s Food Inspection Agency that found pesticide residues in organic produce....
“Phyto” derives from the Greek word for plant, “photo” from light and “derma” from skin, so “phytophotodermatitis” is a skin reaction initiated both by exposure to light and to some plant material....