What are the healthiest fish? Two factors must be taken into account: that they are rich in omega-3 fatty acid and have low levels of mercury, a toxic element that accumulates in some large species. Source

Can you remember something already forgotten? Where do our lost memories go? Recent studies prove that it is possible to recover them. Source  According to some recent research, really many memories are

Why are yawning contagious? The key is in the activation of the motor cortex of the brain, a finding that allows progress in the treatment of neuropsychiatric diseases. Source  Even if we are not tired,

Do insects sleep? Rest is also important for the lives of insects, who can sleep soundly and respond to stimulants such as caffeine. Source  Measuring sleep in insects is not an easy task. In many species

Causes of red eyes Having red eyes can be a symptom of mild irritation or even a serious medical condition, such as an infection. Let's know the causes of red eyes. Source  Red eyes occur when the small

Why did Mary Shelley revive Frankenstein with electricity? Source  When the famous novel Frankenstein was published in 1818, electricity was little less than a living room rarity, although there were already

History and origin of the classic Minesweeper Minesweeper was one of the first games to be installed in the Windows interface. It was developed by engineer Robert Doner in 1989 and became popular as a

How much can the tusks of an elephant measure? The elephants known as 'super tuskers' have very long fangs. So much, that they practically reach the ground. Today less than thirty survive. Source  In January

Why you're still single, according to science Little ability to flirt? Little confidence in yourself? Bad experiences? Shyness, maybe? Source  At this time, approximately a third of the adult population

Our galaxy died many billions of years ago New calculations by a team of scientists have revealed previously unknown details about our galaxy. We live in a 'zombie galaxy'. Source  Long, long ago, the

What is phlogiston? The theory created by Georg Ernst Stahl was one of the valid explanations for the phenomenon of combustion until the late seventeenth century, when Lavoisier proved it was wrong. Source

Why is measles such a serious disease? Measles is a very contagious disease and can lead to death. It is not necessary to pass it 'in the old way' as some say: we have an effective and safe vaccine to

Plastic bags also emit methane The war against plastics. They find a new and growing source of greenhouse gases. We have been listening for many years about the negative effects of plastics. Some types

This is how being cheerful in your body influences Do you want to jump for joy? What happens inside your body when you're happy? Source  The joy, that happy and optimistic emotion that can be caused by

Fantosmia, when your nose plays a trick on you Today we talk about olfactory hallucinations or perception of ghost odors. They discover that they are much more frequent than we thought. Source  Do you

What are giant neurons for? How is our brain activated and makes us aware of ourselves and our environment when, for example, we wake up in the morning? New research sheds some light on the mysteries of

Why spend 1,000 euros on a smartphone if with just over 100 is enough? The consultancy Deloitte has already said it. High and low range will be the battleground of smart phones in 2018. Or they pay more

What is viremia? Is it contagious? Everything you need to know about viremia. Source  Viremia is a term that describes the presence of viruses in the blood. Viruses are microscopic organisms that survive

The animals that traveled to space What was the first animal that traveled to space? What happened to all the dogs, monkeys and mice sent to space? Source  The first spacecraft that transported biological

Create a biodegradable battery made of paper Batteries made of paper? Could these be the batteries that await us in the future? A team of researchers from Binghamton University in New York (USA) has created