Anne Helmenstine

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Grow Baking Soda Crystals: You can crystallize many common household chemicals, such as table salt, sugar, Epsom s... http://bit.ly/acozJp

Feb 2, 2010 7:37 AM

This Day in Science History - February 1 - Emilio Segré: February 1st is Emilio Segré's birthday. Segré was an Ita... http://bit.ly/bScWHU

Jan 31, 2010 9:40 PM

This Day in Science History - January 31 - Theodore Richards: January 31st is Theodore William Richards' birthday.... http://bit.ly/9xWU9K

Jan 30, 2010 10:09 PM

When Should You Buy High Octane Gas?: Readers who follow me on Facebook may be aware that I have an unnatural love... http://bit.ly/aRqqtO

Jan 30, 2010 3:01 PM

What to Do If You're Failing Chemistry: I suspect I don't have to tell you this: not everyone who takes chemistry ... http://bit.ly/cG1rYr

Jan 29, 2010 2:57 PM

Flammable Versus Inflammable - What Is the Difference?: Answer: Flammable and inflammable mean exactly the same th... http://bit.ly/bgfeea

Jan 28, 2010 9:27 AM

This Day in Science History - January 28 - Kathleen Yardley Lonsdale: January 28th is Kathleen Yardley Lonsdale's ... http://bit.ly/aDwz3O

Jan 27, 2010 9:54 PM

Does Tap Water Go Bad?: The other day I was talking about the shelf life of bottled water. I said that bottled wat... http://bit.ly/b6AL0D

Jan 27, 2010 11:42 AM

This Day in Science History - January 27 - Iodized Salt: January 27th marks the passing of David M. Cowie. Cowie w... http://bit.ly/aMMyvq

Jan 26, 2010 10:04 PM

Does Bottled Water Go Bad?: Although bottled water has an expiration date, it doesn't actually go bad. Why is ther... http://bit.ly/5yh41q

Jan 25, 2010 9:17 AM

This Day in Science History - January 25 - Water Fluoridation: January 25th marks the anniversary of the first tim... http://bit.ly/4JqD73

Jan 24, 2010 9:48 PM

How a Volcano is Like a Souffle: You know you can make a baking soda and vinegar volcano to simulate a volcanic er... http://bit.ly/69WSKa

Jan 23, 2010 8:06 AM

Melting Point Versus Freezing Point: You might be thinking the melting point and freezing point of a substance occ... http://bit.ly/6urtLf

Jan 22, 2010 9:16 AM

Cheap Jewelry - Just Throw It Away: Since posting about the cadmium in children's jewelry, which has prompted jewe... http://bit.ly/5B8Y5E

Jan 21, 2010 2:54 PM

What Is Carnauba Wax?: My son says my car smells like candy. This is not because I satisfy some sugar craving whil... http://bit.ly/7cqhLT

Jan 21, 2010 11:51 AM

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