The purpose and evolutionary origins of sleep are among the biggest mysteries in neuroscience. (scientificamerican.com)
All dogs carry the same evolutionary origin and DNA as the gray wolf. (healthierdogs.com)
Her inspiration had come from the work of a Russian, Dr Igor Charkovsky, who in the 1970's had organised dolphin - assisted births in the Black Sea and felt that the common evolutionary origins of humans and dolphins in water explained a natural affinity. (gentlebirthmethod.com)