April 24, 2009 11:55 AM

In celebration of the completion of the Human Genome Project in April 2003, today is National DNA Day. The following Science Buddies project ideas offer an excellent point of entry for DNA discussions and an introduction of relevant…

April 24, 2009 9:42 AM

Appliances may be the largest objects in a house and the most visible signs of electricity consumption, but today's typical household uses a constant flow of electricity to power all the gadgets and conveniences that have become, for many of us, a…

April 23, 2009 11:14 AM

How much paper do you throw out each week? Are you good about using both sides? Is your recycling bin overflowing? Despite the ways in which technology has changed traditional paperflow, paper is ubiquitous. We use paper day in and day out. Not…

April 22, 2009 11:06 AM

Happy Earth Day! I was surprised this morning to log into my iGoogle page and see that of the science sites I'm following, "Earth Day" wasn't in the headlines. At Twitter, I saw much more hubbub about Earth Day, in a wide range of categories. Today…

April 21, 2009 10:06 AM

The California Academy of Science's Living Roof is home to 1.7 million native plants specially chosen to flourish in Golden Gate Park's climate. The phrase "Going Green" takes on new relevance when you consider roofs that are also green gardens.…

April 20, 2009 10:49 AM

April 22 marks the 40th anniversary of Earth Day. Earth Day offers a perfect opportunity to talk with students and young scientists about environmental, ecological, and energy issues, conservation efforts, and what it means to think "green." The…

April 9, 2009 8:02 AM

It's not too late to enter the 2nd LEGO Builders of Tomorrow contest, sponsored by GeekDad. The deadline for submitting a photo of your family working together to build something from LEGO is April 30. The winning family will be featured on the box…

March 25, 2009 10:31 AM

A headline today from New Scientist asks what the sun will look like as a planetary nebula when it begins to die--in about 5 billion years. Questions that involve billions of years from now can be mind-boggling, but considering what happens in…

March 24, 2009 10:16 AM

I don't know what was being talked about, but as I cleaned up in the kitchen, I heard a conversation with an 8-year old that resulted in questions about water and electricity and whether or not water can conduct electricity. I think the question had…

March 16, 2009 4:03 PM

If you're ready to tackle something related to energy, power, and the environment but want to push the envelope a bit farther than the cool (but maybe not quite cutting-edge-enough-for-you and just a bit ubiquitous) Veggie-Powered Batteries, pull on…

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Free science fair projects.