Kudos to Thames and Kosmos for getting their chemistry sets on the shelves at Barnes and Noble. They have these three introductory sets in the store: the “Dangerous Book for Boys Classic Chemistry…

Life grew as a result of natural processes that used Earth's raw materials. Models of life's origins almost always look to minerals for such essential tasks as the synthesis of life's molecular…

Edward Snowden: patriot or traitor? Whatever your opinion of Mr. Snowden, he did give us pause to reflect on our Fourth Amendment rights “of the people to be secure in their persons, houses, papers,…

While driving to my doctor's office to get some persistent Toxicodendron diversilobum (that's poison oak) looked at, I listened to NPR. Just as you would expect of me, my radio stations will all have…

Some older chemistry sets included a conductivity tester to demonstrate the conductivity of materials and liquids. If you wish to include Snap Circuits in your Science Play and Research Kit you can…

You may wish to include a UV LED in your Science Play and Research Kit. Nowadays you can find inexpensive key chain lights that include a visible light LED flashlight, but also include a red laser…

You may wish to include a UV LED in your Science Play and Research Kit. Nowadays you can find inexpensive key chain lights that include a visible light LED flashlight, but also include a red laser…

You can use a laser to demonstrate the Tyndall effect. A simple cat toy (laser pointer) will do but for this demonstration I’ll be using the laser from my DIY Laser Interferometer. “The Tyndall…

You often see demonstrations of titration using an expensive glass burette, but you can build titration lab ware using a disposable serological pipette, a solder sucker bulb, and a ring stand or…

Tiny self-assembling transport networks, powered by nano-scale motors and controlled by DNA, have been developed. And the system can construct its own network of tracks spanning tens of micrometers…