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Janet D. Stemwedel (whose nom de blog is Dr. Free-Ride) is an associate professor of philosophy at San Jose State University. Before becoming a philosopher, she earned a Ph.D. in physical chemistry. Email her at dr.freeride@gmail.com.

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Chemistry:

A reminder.

Category: Blogospheric science

"Hey, buddy! My eyes are up here!"...

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Friday Sprog Blogging: science fair wrap-up.

Category: Chemistry

Since the school science fair is safely behind us, we can give you a peek at the projects the Free-Ride offspring presented. (We couldn't do this prior to the science fair without running the risk that the sprogs would be...

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How does salt melt snails?

Category: Basic concepts

Why does salt "melt" snails and slugs? (And how do people manage to prepare escargot without ending up with a big pot of goo?)

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Meet Susan the Scientist.

Category: Chemistry

Using science experiments to solve problems that come up in everyday life is cool. Playing with fire is cooler.

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After school experiment: dyeing eggs with plants.

Category: Chemistry

Tomorrow being Easter, a day on which there is some expectation that there will eggs for which to hunt in the backyard (weather permitting), the Free-Ride offspring and I decorated some eggs. We had an old package of oil-based dyes...

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Dr. Free-Ride plays with molecular gastronomy.

Category: Chemistry

Today I decided to play with some chemicals I ordered to try to spherify V-8. It's the molecular gastronomy thing where you mix a liquid with sodium alginate, then drip it into an aqueous solution of calcium chloride to get...

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Friday Sprog Blogging: fermentation and distillation.

Category: Chemistry

The sprogs talk about where alcohol comes from.

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Profiles in mentoring: Dr. James E. LuValle.

Category: Chemistry

(Written for the inaugural edition of the Diversity in Science blog carnival, with big thanks to DNLee for launching it.) Back in the spring and autumn of 1992, I was a chemistry graduate student starting to believe that I might...

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Holiday chemistry shopping on a budget.

I was marveling at the Chemistry gift guide at MAKE. It has lots of cool items for your budding chemist/mad scientist of any age looking to equip his or her basement/garage/treehouse laboratory. (It's pretty hard to get fume-hoods installed in...

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Why does Thanksgiving dinner *really* make you sleepy?

For years, you've heard the tremendous fatigue experienced after an American Thanksgiving dinner laid at the feet of the turkey -- or more precisely, at the tryptophan in that turkey. Trytophan, apparently, is the go-to amino acid for those who...

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