10 Things you didn't know you would find some interesting explanations for!

Do you ever have one song in your head when you don't want to hear it? Such pleasant tunes are sometimes referred to as earworms. The song can continue playing automatically if you miss out on a certain melody or it starts to loop.

Time will pass as though it were a sweet bumblebee, or on a great voyage, or a wonderful film. If you're so engrossed in an activity that you don't notice the time go by, it seems like you were there for less time.

When you go to another room, sometimes you can't remember what you were going to do. This is referred to as the doorway effect; one potential illustration of this would be that those events and goals that are being observed might undergo a change in the brain due to the environment that they are being observed in.

Your clock is one of the components of your body that assists you with keeping your sleep-wake cycle regulated. With a consistent schedule, your body could start to wake up at the time you're normally waking up, though this doesn't occur for everyone.

The sound vibrations are heard in the air during speech, and through the bones of the skull. The sound you hear recorded is the sound that passes through the air which will make the sounds recorded sound different or higher than the sounds you hear.

Yawning could be contagious. If you see someone yawning, or hear others yawning, you might want to do the same. Yawning can be contagious but not necessarily a sign of sleepiness and a study is currently underway.

If they are allowed to roam, then your mind can drift to the things that you miss. I think it is the embarrassing experiences that stick in one's memory because they are considered so emotional that they still make an impact years down the road.

Borborygmi are the sounds of rumbling, or the sounds which are the result of movement in the digestive tract. These might become more apparent when empty stomach or even when eating.

You find yourself doing this on occasion because one eye has a little bit of something in it or you haven't heard something you wanted to hear. Your brain is always on the lookout for threats – but if it feels like it is, that doesn't necessarily mean it is.

One of the best ways to remember someone or something that's been in the past is through a scent that they are linked to – a perfume, a particular dish, maybe the sound of the rain. The olfactory system (smell) is very connected with the part of the brain that deals with emotion and memory, making for a powerful memory that smells.