digestive system

Yeast and Sugar, part 1

This time, we will conduct an experiment to measure cellular respiration of yeast when it is fed different sugars. While we tend to think of sucrose (table sugar) when we hear the word sugar, there are actually many different chemicals that fall into that category. As we will see, different sugars have different properties.

Making Butter

If you have never made your own butter, you REALLY need to try this. It is easy to do, and very tasty. Be sure to have some fresh bread handy, because you are going to want it.

Iron Cereal

I am sure that you have seen breakfast cereals that claimed to be enriched with iron. You may have thought that the manufacturer added some extract from spinach or liver, but the actual ingredient may surprise you.

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Shooting Star
These flowers do not produce any nectar, but they are very popular with Queen Bumblebees. Why?

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I photographed these young Barred Owls in a park in Jacksonville, Florida. They nest nearby, and I was hoping to find some owl pellets. What is an owl pellet?

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