1. The muscles of a sprinter © Wikimedia Commons / tableatny The sport gene - that's what researchers call the ACTN3 gene, which helps the body make the protein alpha-actinin 3. This plays an important role for the so-called white muscle fibers, which are also called fast or explosive muscle fibers because they can contract very quickly.
Because the spleen only has a thin skin and is soft, it is vulnerable to blows to the abdomen. But fortunately, a damaged spleen can be removed without major problems. Only in rare cases can the lack of the spleen have serious consequences. The spleen is to the left of the stomach, directly below the diaphragm.
1. Go to bed on time The word 'beauty sleep' has not just come out of the blue. Too little sleep can scare other people away. This is the conclusion of a study from 2010 in which people who had not slept for 31 hours appeared to be less attractive, less healthy and more sad in a group of test subjects.
He thrives where others become weaker. It can cause blood poisoning and an inflamed heart valve. And it is resistant to antibiotics. In 2012, outbreaks of the VRE bacterium occurred almost simultaneously in six hospitals in the Netherlands. The situation was so serious that the National Institute for Public Health and the Environment (RIVM) held a consultation about it in June of that year.
"Your ears and nose grow all your life." This is a widespread myth, but according to medical literature there is no evidence for this idea. There is nothing special about the way these organs grow. That means that your nose, ears, hands and feet will no longer get bigger if your body stops growing between the ages of 16 and 18.
Your eye color is determined by the melanin pigment. Very little is made of this in the first year of life. As a result, many babies have blue eyes. Because melanin production increases after a few months, a child's eyes can get darker. Little melanin makes your eyes blue A small amount of melanin colors the iris, also called the rainbow membrane, blue, and as the content increases the iris turns green or light brown.
A ringing in your ears, just after you have attended a loud festival concert, may indicate that you have suffered hearing damage. And that is becoming more common: hearing damage. In 2017, 2 million Dutch people suffered from ringing in the ears. This has been demonstrated by a major national investigation. In Belgium this number is almost as high or maybe even slightly higher.
Din lærer ser forventningsfuldt på dig. Det gør censor også. Du har læst i månedsvis - now husker du ikke et ord. Når den berømte blow går ned, the result was finished, at nervøsiteten har overtaget din hjerne. Du kan blive så fear for at fejle, at du ikke tænker sounds. Men der er råd at hente. FØR DU LÆSER: Lav and realistisk læseplan Hvis this pensum is huge, gør du dig selv and tjeneste ved at være realistisk og skære fra i begyndelsen.
Imagine doctors making a hole in your skull, loosening your meninges and cutting a deadly tumor while you are wide awake. This nightmare becomes a reality for people undergoing advanced brain surgery. In addition, the patient is usually kept awake today.
SOLUTION 1: Gene therapy starts seed production Approximately 1 percent of all men do not produce sperm cells. The cause is often a genetic error in the so-called sertoli cells of the testicles. Japanese researchers have corrected this error in mice. With gene therapy, the infertile males started to produce sperm cells, and the mice became the father of a very normal boy.
There are several scientifically documented cases in which twins had different fathers. Normally one egg is released during ovulation, but in some cases there are more. When a woman has freed several men during ovulation in two to four days, they can each become fathers.
In contrast to feelings such as being angry and smiling, sadness requires a lot from the muscles, and not only in the face but also in other places in the body. The respiratory muscles become overburdened, making breathing faster and starting to shock. The heart rate also flies up when you are in a sad mood.
Science in Focus investigates the science behind Game of Thrones. This time we look at those in power. Heirs The sitting prince is pregnant with her brother, with whom she shares 50% of her DNA. © HELEN SLOAN / hbonordic.com Inbreeding hurts heirs In the series something is already known from ancient Egypt: close relatives within a royal family have children with each other.
Scientists know the difference between the average age of men and women since 500 years ago, when civil servants started to record the age at age of deaths. As a result, we know that it is not just a consequence of the modern lifestyle that women live longer than men. Sex hormones help women A large part of the explanation lies in the difference between male and female sex hormones.
In the Italian town of Lugnano, the grave of a 10 year old child has been dug up. The skeleton is on its side and the mouth is wide open because a stone has been pushed between the jaws. This lurid ritual, called a "vampire burial," was performed to prevent angry forces from rising from the grave to go after the living.
At -40 ° C a person can walk outside without clothes for three minutes without consequences. But bare skin exposed to extreme cold below -60 ° C freezes immediately, and then the cells die. Those who go outside naked at that temperature will die almost immediately. And even with the right clothing, it is difficult to protect the areas around the eyes and nose, which can get serious freezing wounds.
The papers pile up on your desk and at home you are attacked by hungry and dreary children. You know that vegetables are better for you, but instead you pull a croquette out of the wall and eat a chocolate bar on your way home. You're not the only one. There is a natural explanation for your need for unhealthy food when you are busy.
Originally, the team of scientists at the University at Buffalo wanted to study the mucin-7 protein to find out more about its effect on our health. Mucin-7 is the substance that makes your saliva slimy, and the protein would help rid the body of harmful bacteria. But during the research they came across a mysterious variant of the healing protein.
If you fly to Mars with the current state of technology, you will be on the road for over half a year. Because the intention is to send people to the red planet in the foreseeable future, we must carefully examine what the vacuum of space does to the human body if we stay there for a longer period of time.
The hiccups arise when the diaphragm suddenly involuntarily contracts. The diaphragm is connected to the lungs and helps you breathe. When the diaphragm contracts, it pulls on the lungs, which can then fill with the air you breathe. Conversely, the relaxation of the diaphragm helps with the exhalation.
The muscle in the human body that comes closest to the tenderloin is the Iliopsoas. The human equivalent of tenderloin is the Musculus Iliopsoas in the pelvis. This is the flexor of the hip joint. It consists of two muscles that run from the backbone to the femur. Iliopsoas True Pelvis, backbone and femur.