Five strange things that science has elucidated, such as the process by which birds lost penis during evolution

ByAhd Photography

Due to the development of science elucidating what has been considered a mystery until now and new discoveries will give human beings very interesting knowledge. Of the events clarified by such scientists, those with slightly changed contentsArs TechnicaIt is open to the public.

Weird Science figures out why it lost its penis | Ars Technica
http://arstechnica.com/science/2013/06/weird-science-figures-out-why-it-lost-its-penis/

◆ 1: The process of the bird's penis disappeared

By@ Doug 88888

One of the most mysterious things in the process of evolution of living things is that the penis of birds has shrunk and gone. Ancestors of birds had a penis, but now they have only about 3% of the birds have penis. The reason why the bird's penis has disappeared is still being debated, but the process is undertaken by US scientistsElucidationIt is being done. Scientists inspected emus with penis and unincorporated chickens and found that the mystery of clarification is hidden in one protein. What is that, all birds have a living tissue with the ability to form penis, but for chickensBMP-4It was found that there is a gene that kills the living tissue that forms the penis, and it also knows that Emu has BMP - 4 but has not activated it. It is said that BMP - 4 cuts off penis in the process of fetal formation.

◆ 2: Those who believe in science will be saved

ByEpSos .de

When humans are subjected to excessive stress or anxiety, they tend to rely on what they believe, until until recently the traditional religion has played its part. In modern times, many people than religionScienceHe seems to find a spirit of heart. We conducted a questionnaire to the players participating in an important boat race and the players before the practice, and the players who decided to race had a strong tendency to judge scientifically analyzed information as useful.

◆ 3: I know that animals are seen by humans


It is confirmed that various kinds of animals take different actions when they are seen and not seen by humans, which may be involved in animal decision making.University of Sussexofthe studyAccording to human beings approaching magpie and approaching, it is known that magpie will jump off at a quicker timing than going closer while looking in a different direction. So magpie is not just having flew away because something is approaching, but understanding how firmly the object is looking at you.

◆ 4: Please send sperm with calories

ByKlaus Stiefel

Squid is confirmed to take meals during sexual activity. AustralianMonash UniversityWhenUniversity of MelbourneJoint research team announcedthe studyAccording to the report, male squid sent nutrients obtained from meals taken during sexual activity to sperm, female squid used nutrients contained in sperm to lay more eggs is.

◆ 5: Do you have a doctor in the passenger? Probability of occurrence

ByPaul Gulliver

Researcher at the University of Pittsburgh Medical SchoolpaperAccording to the report, only 604 flights were required for emergency treatment in airplanes, 48% of whom actually had a doctor on board the plane, 28% had nurses It is said that proper treatment was done without problems without boarding. However, about 7% of things that needed emergency treatment had to go back to the airport, and 0.3% of cases of treatment received eventually resulted in death.