خطوة إلى عالم لا حدود له من القصص
4.4
كتب واقعية
Tucked away in Siberia, there are furry, four-legged creatures with wagging tails and floppy ears that are as docile and friendly as any lapdog. But, despite appearances, these are not dogs—they are foxes. They are the result of the most astonishing experiment in breeding ever undertaken—imagine speeding up thousands of years of evolution into a few decades. In 1959, biologists Dmitri Belyaev and Lyudmila Trut set out to do just that, by starting with a few dozen silver foxes from fox farms in the USSR and attempting to recreate the evolution of wolves into dogs in real time in order to witness the process of domestication.
Most accounts of the natural evolution of wolves place it over a span of about 15,000 years, but within a decade, Belyaev and Trut's fox breeding experiments had resulted in puppy-like foxes with floppy ears, piebald spots, and curly tails. Along with these physical changes came genetic and behavioral changes, as well. The foxes were bred using selection criteria for tameness, and with each generation, they became increasingly interested in human companionship. Trut has been the lead scientist on this work since Belyaev's death in 1985, and with Lee Dugatkin, biologist and science writer, she tells the story of the adventure, science, politics, and love behind it all.
© 2017 Tantor Media (دفتر الصوت ): 9781541479876
تاريخ الإصدار
دفتر الصوت : ٥ سبتمبر ٢٠١٧
الوسوم
أكثر من 200000 عنوان
وضع الأطفال (بيئة آمنة للأطفال)
تنزيل الكتب للوصول إليها دون الاتصال بالإنترنت
الإلغاء في أي وقت
قصص لكل المناسبات.
حساب واحد
حساب بلا حدود
1 حساب
استماع بلا حدود
إلغاء في أي وقت
قصص لكل المناسبات.
حساب واحد
حساب بلا حدود
1 حساب
استماع بلا حدود
إلغاء في أي وقت
قصص لكل المناسبات.
حساب واحد
حساب بلا حدود
1 حساب
استماع بلا حدود
إلغاء في أي وقت
عربي
المملكة العربية السعودية