Enlarge / Zhong Zhong and Hua Hua (credit: Qiang Sun, Mu-ming Poo, and the Chinese Academy of Sciences) More than 20 years after Dolly comes Zhong Zhong and Hua Hua. The twin long-tailed macaque monkeys are the first primates cloned using the same method that created the world’s most famous sheep in 1996—a method called […]
