Vladimir Yazdovsky Vladimir Yazdovsky Vladimir Yazdovsky (1913–1999) was a Soviet space program medical scientist. Yazdovsky was a veteran surgeon and army doctor who joined the Institute for Aviation and Medeicine in Moscow in 1948.There, in the early 1950s, Yazdovsky assisted Sergei Korolev in tests using small animals in sub-orbital spaceflight. His team of researchers helped gather strays from Moscow and helped design various safety measures such as space suits and life-support systems. In 1957 he prepared the dog Laika, the first animal to orbit, the Earth for Sputnik 2. In 1960 Yazdovsky prepared the dogs Belka and Strelka for Korabl-Sputnik 2, the
Dogs in Mesoamerica deposits differs among sites from various periods. Because of this variation, it is not certain if the function of dogs altered from a food source to that of a religious symbol over time. Besides becoming a meal, dogs were also used as hunting and traveling companions and were scavengers in the home. During a portion of the Preclassic and Early Classic period (1200 BCE through 250 CE), dogs in Cuello, Belize were bred and killed once they reached one year of age. Dog bones had completed epiphyseal fusion and did not indicate the normal pattern of wear like adult dogs