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This experiment is about bread. If you have used my website for long, you know that I like experiments with food, especially when it is tasty food. We regularly bake bread, and there are few smells that are better than the smell of freshly baked bread.
Because I post so many science photos, I get quite a few questions about photography. Some want to know what camera I use (Nikon D7000) or what editing software I use (Photoshop and Lightroom), but probably the most common questions is, "How do you manage to find so many things to photograph?"
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.
After you have tried the experiment yourself (or at least done enough thought and research to make a good hypothesis), watch this video to compare my results with yours.
Now that we live in Johnson Canyon, Utah, we have all sorts of wildlife wandering through our yard, but we saw plenty of wildlife even when we lived in the city. All it takes is a walk to the neighborhood park.
In many parts of the world, pigs are used to locate truffles. Dogs can be trained to find truffles, but pigs find them with no training at all. Why are pigs so good at finding them?
