Archives: Blue Sky

How do we hear?

Sounds reach our ears from different locations and first travel through the ear into the ear canal. Then tiny bones inside the middle ear end up vibrating and pushing on a small window. This then gets a special membrane inside our ear to vibrate.

Why do hissing cockroaches hiss?

Madagascar hissing cockroaches and some of their relatives can produce an audible hissing noise that almost sounds like a cat hissing.

How does your brain form memories?

The first step in forming a memory is called encoding, and encoding starts with perception. If you remember back to the first time you met your best friend, you encoded or perceived a lot of information about them.