Editor’s Note: The following is an excerpt from Mara Hvistendahl’s guide, abnormal Selection: selecting Boys over Girls therefore the Consequences of some sort of saturated in guys.
The technology that eventually became the principal way of intercourse selection around the globe started as an instrument for navigation. The storyline of ultrasound times to 1794, whenever a biologist that is italian about how precisely bats find their means when you look at the dark discovered sonar, or even the undeniable fact that distance may be decided by bouncing noise waves off a faraway item and calculating exactly how long it can take for the waves to ricochet straight straight straight back. Czytaj dalej
