Podziemne odkrycia Los Angeles
Podziemne odkrycia Los Angeles – In downtown Los Angeles during the construction of the underground car park, have been dug up animal remains from the Ice Age. Called to the place paleontologists have discovered bones of: cougar, wolves, horses, European bisons and other mammals. Near the main findings lay the skeleton of the mammoth.
Od myszy do słonia
Od myszy do słonia – The size of modern mammals oscillates between individuals of the size of the coin until after the giant animals, measuring tens of meters. The researchers found that before mammals reached the size of a mouse the size of an elephant, had to pass at least 24 million generations.
Najmniejszy żyjący ssak – Nietoperz Świnionos malutki Kitti
Najmniejszy żyjący ssak – Kitti’s Hog-Nosed Bat (Craseonycteris thonglongyai). In the south-eastern Burma found the individual measuring just 25 mm.
Najdłużej żyjące zwierzę
Najdłużej żyjące zwierzę – The longest life in mammals has a bowhead whale. His life takes second place in the animal kingdom – can live even 210 years. Defeats him only one animal – Edible mussel Arctica islandica (Arctica islandica), which lives up to 400 years.
Anthropoids penis size
Anthropoids penis size – According to a study conducted in 2013 at Indiana University, the average male penis erection is 14, 15 cm. The best equipped, the mammal is a chimpanzee chief, whose penis in erection reaches a length of 8 cm. Larger orangutans are almost twice shorter penis, and male gorillas, which reach adulthood growth of 165-175 cm and weigh 140-204 kg, have a penis length of only 3 cm.
Mammals pissing time
Mammals pissing time – In mammals, there is no relationship between the time of urination, and body size. In all mammals weighing more than 3 kg, regardless whether it is a cat or elephant, urination always takes approx. 21 seconds.
Animal olfactory opportunities
Animal olfactory opportunities – Researchers at the University of Tokyo compared the number of genes responsible for the sense of smell in 13 mammals, including man. It turned out that of all the animals tested was the elephant has the most olfactory genes – in 1948, in second place came the rat (1207 genes), followed by the cow (1186 genes). Dogs of 811 genes were in the middle of the statement, and a man of 396 genes was ninth. Worst fell orangutan, which has only 296 olfactory genes.
Meat promotes cancer
Meat promotes cancer – Researchers at the University of California focused on a particle called sugar Neu5Gc, which was found in tumor tissues. The human body unlike organisms carnivorous mammals do not produce this molecule, but it assumes in the diet. The most risky meats turned out to be beef, pork, lamb and buffalo meat.