How do blind people dream?
Most people know dreams in the form of images in their heads. But what about people who cannot see, do they see in their dreams?
Flashes under clear skies; how is a positive flash produced?
The powerful force of a positive flash can be much more destructive than that of an ordinary flash. What exactly is positive lightning?
Are there "negative calories"?
Negative calories are foods that consume more calories during the digestive process than they contain. Many diets use the concept of negative calories for weight loss. They are based on the theory that certain foods can be eaten in unlimited quantities because the calories they burn exceed the energy value they contain.
Is it unhealthy to skip breakfast?
For many people, starting the day without breakfast is a great time-saver or a way to lose weight. It is said that breakfast is the most important meal of the day, so how unhealthy is it to simply skip breakfast?
The best 10 foods against cellulite
Cellulite (orange peel skin) occurs in 90% of all adult women. Although there is no quick and definitive way to get rid of cellulite, you can considerably influence the appearance of your skin through your diet, because this is where the main causes lie. These are the ten most effective foods against cellulite and for beautiful, smooth skin.
Fitness games for children
Sport is important for children of all ages. Through physical exertion, they release excess energy from their bodies and thus train their fitness. Playful sports activities make it fun for children to run and they also improve their social skills when interacting with other children.
The following exercises are suitable as suggestions for sports lessons and at home.
Which is more strenuous, smiling or frowning?
Is it true that smiling uses fewer muscles than frowning? It is said that 43 facial muscles are used when frowning or scowling, whereas only 17 are used when smiling. So smiling is easier. But is this true at all?
How the cockroach plague occurs
Warm weather encourages cockroaches to breed. It is therefore not surprising that in summer, especially in southern European climates, there are numerous cockroaches that can develop into a plague. To eliminate cockroach infestation, it is important to know the causes that attract the crawling creatures.
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