Tag Archive for: biology

Cow Eye Dissections

What’s more amazing than dissecting a cow eye on live tv? Check this out.
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Freezing flowers with liquid nitrogen

Is there a better way to celebrate Mother’s Day than to freeze some flowers in liquid nitrogen? Probably, but flash freezing flowers and then watching them break like glass is pretty cool.
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Exploding Eggs

Some people color eggs for Easter, I think it’s more fun to fill them with hydrogen gas and see what happens when you bring a flame nearby.
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Where’s the Bacteria?

We have just passed through the 2011 peak flu season according to Google flu trends as well as the Center for Disease Control. This reminded me that washing your hands is one of the simplest things anyone can do to stop the spread of disease. It’s also one of those things that most people don’t do as often as they should. I thought it would be interesting to test some common surfaces around an office for bacteria. Even better would be to test some spots at abc13 – the host of our Imagine It segments. What do you think would have the highest bacterial count – the toilet seat or the microwave start button? Read more →

Tri-zonal Space Warper

For today’s Imagine It segment, I thought it would be fun to talk about how your brain processes the information that your eyes send it. The Trizonal Space Warper is a pretty cool tool to explore this because it illustrates how the neurons in your brain can become fatigued when you send them a continuous input. Read more →

Extract DNA from fruit

DNA is the blueprint for life. This simple experiment will show you how to extract DNA from fruit like a banana or strawberry. All you need are some fruit and some things you probably have around the house right now. Read more →

Make your own crazy daisies

It’s always summer somewhere in the world and this is a great activity that lets you create your own special flowers in the colors you choose. Gather up some carnations, some daisies or pretty much any white flower and some food coloring and have some fun coloring flowers. They make a fun science gift for anyone. If you really want to get crazy try using two colors on the same flower. This can get tricky since you’ll have to figure out how to split the stem so each colored water travels up it’s own section of the flower stem. The results can be unpredictable! Read more →