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chemical

Learning From The Movies

18 Mar 2022

Both groups struggled with the same problem. How to extract and purify a chemical that is part of a complex mixture? For researchers led by Dr. Frederick Banting at the University of Toronto in...

Chemical Confusion

15 Aug 2017

There are two myths that are a constant irritation in the fight against pseudoscience. One is the equating of the term “chemical” with “toxin,” the other is the suggestion that “natural” substances...

Is the organic vs non-organic sweet potato video scientifically sound?

20 Mar 2017

You asked about a video floating in cyberspace that describes a little girl's project purporting to show the risks of conventional produce.

The U.S. Toxic Substances Control Act (TSCA)

20 Mar 2017

Amidst the cacophony of jingoist, vacuous blather at the Republican Convention there were some noteworthy phrases that probably slipped by most viewers. A number of speakers talked about the need...

Mirror Image Insecticides

20 Mar 2017

Everything in the world, except perhaps a vampire, has a mirror image. But mirror images are curious things. Imagine that you place a ping-pong ball in front of a mirror. If you could somehow pick...

How Chemicals Affect Us

20 Mar 2017

A recent New York Times article featured the headline “How Chemicals Affect Us.” Even before reading a single word, I was pretty sure the columnist was not going to discuss how antibiotics cure...

It's Chemical-Free!

20 Mar 2017

If you buy a chemical-free product, you’re not getting a good deal. You’re buying nothing. A vacuum. What’s a vacuum? A space empty of all matter. And what is matter? Anything that has mass and...

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