Trouts pretend orgasm

Trouts pretend orgasm - Brown trout (Salmo trutta)

Trouts pretend orgasm

Trouts pretend orgasm – Trouts to spawn choose a place with shallow, calm waters and sandy or rocky bottom. In a dig belly oval cavity to half a meter in length. Which are used to make fertilized eggs. For a male signal to fertilize eggs is the moment in which the female opens his mouth and begins to shake. Then after a few seconds, the female lays eggs. If male is in a bad position or for some reason it considers that it is not the right candidate for father of her offspring, suspend the submission of eggs. The male, however, can not withhold production roes, and therefore to deceive the male, the female begins to fake an orgasm.

Female smell sense – menstrual cycle effects

Female smell sense - Human nose

Female smell sense – menstrual cycle effects

Female smell sense – In 2001. Italian scientists have studied the effects of the menstrual cycle on the sense of smell. It turned out that the nose is the most sensitive in the ovulation period, at a time when they are most fertile women. After three months of hormonal contraception women lost their greater sensitivity to odors in about ovulation.

Nine-banded Armadillo – sleeps 80% of life

Nine-banded Armadillo - Nine-banded Armadillo (Dasypus novemcinctus)

Nine-banded Armadillo – sleeps 80% of life

Nine-banded Armadillo – Inhabits mainly in South America, and even was the mascot of the World Cup in Brazil. This is not an active animal. Armadillos are sleeping 80% of their lives. However, they have an interesting feature on reproduction. Female under stress can postpone childbirth up to 4 months.

Most capable chimpanzees – Expert on sign language

Most capable chimpanzees - Chimpanzee typing

Most capable chimpanzees – Expert on sign language

Most capable chimpanzees – Expert on sign language was the famous female chimpanzee Washoe, who knew 350 words and transferred their skills to young. The male chimpanzee Ayumu, grown at the University of Kyoto, Japan, at the age of 5 years defeated several Japanese students in a computer memory game.

Suicides statistic – Increased risk for men

Suicides statistic - Ryszard Siwiec, 10th Anniversary Stadium, Warsaw, 1968

Suicides statistic – Increased risk for men

Suicides statistic – Being a man is associated clearly with an increased risk. For one woman the dying by his own hand for as much as 6 men. Prof. Maria Jarosz, sociologist PAN (Polish Academy of Science), in its recent publication devoted to suicide examine cases from the past 60 years and found a 400% increase in the number of male suicides.

Male education – Teachers today are mostly women

Male education - Afghan college entrance exam day

Male education – Teachers today are mostly women

Male education – Teachers today are mostly women – Is one of the most female-dominated professions: nearly 600 thousand. Females there were a little over 100 thousand. men. Maybe men should get additional points in the recruitment to the teaching profession or the internal verification. A study by the London School of Economics argues that students put more effort and achieve better results when they are taught by men. The results of the experiment showed that boys cut their expectations, the exam evaluate teachers.

Gecko penises – like snakes, lizards and blindworms

Gecko penises - Drago en branca (Gekkonidae)

Gecko penises – like snakes, lizards and blindworms

Gecko penises – Like other representatives gekkonidae, or snakes, lizards and blindworms. Geckos have to use two penises. These are hemipenises. In some species, each hemipenises is bifurcated at the end, which allows the simultaneous penetration of the two branches of the female genital tract.