(495) 109 08 40
|Английская художественная литература в оригинале Автор Richelle M. Издательство Penguin Group|
Two other popular theories are that dark skins are to protect our internal organs against overheating by the tropical sun's infrared rays, orвЂ”just the oppositeвЂ”dark skins help keep tropical people warm when the temperature drops. And if those four theories are not enough for you, consider four more: that dark skins provide camouflage in the jungle, or that pale skins are less sensitive to frostbite, В°r that dark skins protect against beryllium poisoning in the tropics, or that pale skins cause deficiency of another vitamin (folic acid) in the tropics. With at least eight theories in the running, we can hardly claim to understand why people from sunny climates have dark skins. That in rtself does not refute the idea that, somehow, natural selection caused the evolution of dark skins in sunny climates. After all, dark skins could have multiple advantages, which scientists may sort out some day. Instead, the heaviest objection to any theory based on natural selection is that the association between dark skins and sunny climates is a very imperfect one ...
|Frostbite: A Vampire Academy Novel|
Rose loves Dimitri, Dimitri might love Tasha, and Mason would die to be with Rose. . . Its winter break at St Vladimirs, but Rose is feeling anything but festive.
High Quality Content by WIKIPEDIA articles!