Category Archives: Biology

Teaching Forensic DNA analysis to 4th graders again

It’s been so long since I worked in forensic DNA, but I do keep up to date.  Occasionally I get to give lectures to schools.  I gave one lecture to a class of first year biology students at a university … Continue reading

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Chicken Life Cycle

3rd grader M is hatching chicks this week in school.   I went in to school today to take some pictures of the two that hatched.  M’s younger sister K and E got a chance to meet and hold the chicks … Continue reading

Posted in Biology, Life Cycle, Uncategorized | 9 Comments

Creating a backyard habitat

I have been thinking of making more of a habitat area for our native wildlife (we live in the midwest).  Right now our backyard is pretty bare, but even so, we do find it’s home to a few critters sometimes. … Continue reading

Posted in backyard habitats, Biology, Nature Study | 2 Comments

Root view – onion

We had an onion that started to sprout, but instead of using it or throwing it out, we decided to see if we could get the roots to grow…so we hung it over a tall glass vase of water, and … Continue reading

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Fall Nature Walk – Trees

I’m entering this post into ABC’s and 123’s Saturday Show and Tell and for The Magic Onion’s Friday’s Nature Table. We had one sunny 70 degree day in the middle of a few weeks of cold and rainy days. We … Continue reading

Posted in Biology, Botany, Nature Study | 10 Comments

Numbers in nature – Flower petals

These are a few of the flowers we’ve found in our neighborhood nature walks. I think I might try to visit a flower shop to get pictures of other numbered flowers. 1 petal flower Three Petal Flowers Four Petal Flowers … Continue reading

Posted in Biology, Botany, Nature Study | 2 Comments

Do dogs see color?

This really isn’t a science experiment, but I thought I’d share the answer to this question my oldest daughter asked me recently. According to this article from on How Dogs See Color, Dana K. Vaughan, Ph.D., Dept. of Biology, … Continue reading

Posted in Biology | 2 Comments