Animals

#1289 Why do birds eat rocks?

Why do birds eat rocks? Birds eat rocks to grind up their food so that they can digest it more easily. Most birds swallow rocks, and the size of rocks they eat depends on the size of the birds. A small bird like a swallow will have tiny pieces of grit, and a large bird […]

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#1283 Why are some people albino?

Why are some people albino? Some people are albino because they don’t produce melanin, which colors our bodies. However, any living thing that has color can be albino. The condition is called albinism. Anything that has a color pigment can be albino if that pigment isn’t produced. You can get albino fish, insects, birds, mammals,

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#1235 Is earwax actually wax?

Is earwax actually wax? No, ear wax isn’t actually wax. It is similar in consistency and texture to wax, which is why it is called wax, but it isn’t actually wax. Let’s look at what earwax is and what wax is. Earwax is technically called cerumen, which is the Latin word for wax. It is

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#1230 Why do we yawn?

Why do we yawn? There is no single clear reason why we yawn because we yawn at many different times for many different reasons. Yawning is an involuntary response, in that it happens without us thinking about it and we cannot stop once we have started, just like sneezing. In a yawn, we gradually open

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