Dolphins are intelligent. They can learn things, communicate with their fellow dogs and hunt in groups. But that’s not all: the marine mammals have their own self-awareness and can recognize themselves in the mirror – an ability that very few animals have.
Welt der Wunder Redaktion
“I know it happened because I was there” – how many times have you found yourself saying or thinking that? However, you may have been lying without knowing it, because human memory is not as reliable as we think. We often only think we remember things because our memories can be manipulated without much effort.
On Tuesday night you fought with medieval knights, on Wednesday you flew over the sea. But for some reason, you can’t remember the dream you had on Thursday. Sound familiar? This is why some dreams are remembered and others are lost forever.
A song that is stuck in our heads is a snippet of music that plays over and over in our minds. The tricky part is that we can’t control this process. But how does this happen? And more importantly, what can we do about it?
At night, while we sleep, we process sensory stimuli that we have absorbed and stored during the day. But can our brain also store new knowledge during our night’s sleep?
Many people regularly solve brain teasers to stay mentally young, as they are afraid of becoming forgetful in old age. But can they really improve our memory and even prevent dementia?
Anyone who has ever been tickled for longer than a few seconds knows that it can be real torture – our body compels us to laugh as a reflex. However, anyone who tries to tickle themselves will invariably fail. Why is that?
Many people are afraid of ticks because they can carry dangerous diseases. But just how dangerous are they? When is a vaccination recommended?
Just ten minutes of acute oxygen deficiency can cause irreparable damage to our brain. If it lasts longer, we become unconscious and fall into a coma.
Roses are red, violets are blue – the world in all its beauty appears colorful and bright. But a closer look reveals a different picture: In reality, the world is not as colorful as we see it.