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Why is my dog's pee ruining my lawn?

25 Sep 2020

Most homeowners let their dogs use the backyard as their own personal toilet. Often after a winter of such potty practice, when the snow melts, you’ll often find your lawn speckled with unsightly...

Should you let a dog lick your hand if you used hand sanitizer?

27 Mar 2020

There is a “warning” making the rounds that hand sanitizer “has the same ingredients as antifreeze” and that you should not let dogs lick your hands. This warning is based on chemical ignorance....

What Does It Mean When a Vaccine Contains an Inactivated Virus?

27 Mar 2020

A vaccine contains an attenuated or inactivated microorganism (or part of one) so that your immune system can prepare itself for an eventual infection. The content of the vaccine must be...

How can I stop getting static shocks?

20 Feb 2020

If you live in Canada, you know what a nightmare winter can be for your hair. No, not because of hat hair, (or at least not entirely because of hat hair), but because of static electricity! All...

Why is the Sky Blue? Or Better Yet, Why is the Ocean Blue?

31 Jan 2020

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller...

What is "Hormesis"?

24 Jan 2020

Just about every textbook of toxicology pays homage to Paracelsus, the sixteenth century alchemist. Why? Because he introduced the idea that “only the dose makes the poison.” It makes no sense to...

Should I pop my blister?

23 Jan 2020

If you’re someone who likes to hike, bike, garden, run or do pretty much any physical activity, you’re likely quite familiar with getting blisters.

Why is Chanukah referred to as the "Festival of Lights"?

9 Dec 2019

Around 175 BC, Israel came under the rule of the Syrian King Antiochus who wanted to obliterate the Jewish religion. Judah, leader of the Maccabees, a group of Jewish warriors, led a revolution...

Can one rotten apple really spoil the whole barrel?

3 Dec 2019

Is there any truth to the expression, "one rotten apple spoils the whole barrel"? You bet. Because once an apple is rotten or has physical damage, (ie a bruise), it produces ethylene, which in turn...

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