Although twins share many characteristics, the fingerprint is not one of them. This is because the fingerprint patterns are not fully determined by the information in the genes, which is shared by identical twins.
Leptin is a kind of food sensor that is responsible for controlling appetite and telling the brain "Enough is enough" when you have enough energy. Its study is very important to treat diseases such as obesity and diabetes, and until now mice were used for its study, since it is an exclusive hormone of vertebrates. Now, a group of researchers from Harvard Medical School (USA) has found a homologous substance in the fruit fly: it is called Upd2 and, because flies are very easy animals to study in the laboratory, thanks to this discovery may reveal new secrets about the obesity hormone.
September 25 is International Ataxia Day. It is a disorder that decreases the ability to coordinate movements and can also be used as a term to refer to any of the more than 200 diseases of the nervous system that have these symptoms. It is estimated that in Spain about 8,000 people suffer from some type of hereditary ataxia.
Excess responsibilities, work against the clock, precarious conditions ... although there are many causes that make us stressed in our professional lives, a new study published in the journal Organizational Behavior and Human Decision Processes warns that, although sometimes it is Let's think, it's not always the boss's fault. According to their results, health problems associated with stress at work are largely determined by our genetics.
Having sex can cause important changes in females, including alterations in libido, fertility, immunity, eating habits, fluid retention and sleep patterns, according to a study from the University of East Anglia ( UK).
Are there gender differences in happiness? American scientists have shown that there is a gene that makes women happy but that, however, does not work in the male gender. It is the gene for monoamine oxidase A (MAOA), which regulates an enzyme that breaks down brain neurotransmitters such as serotonin and dopamine, two substances that cause well-being.
Two species of mice live in the Santa Cruz Mountains in California that share habitat and genetic lineage, but have very different social lives. The California mouse or Peromyscus californicus is monogamous, while the deer mouse (Peromyscus maniculatus) is sexually promiscuous. By studying their differences at the genetic level, researchers have shown that promiscuity helps strengthen the immune system.
A team of scientists has restored the sense of smell in mice with a human genetic disorder that causes congenital anosmia, that is, the innate inability to perceive odors. The new treatment uses gene therapy to allow cilia, cellular structures essential for olfactory function, to grow. These hair-shaped structures are involved in multiple diseases that affect from the kidney to the eyes, as the authors explain in the journal 'Nature Medicine'.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
