Why don’t humans have tails? – Firstpost
 "Why don’t humans have tails? – Firstpost")
The researchers compared the genomes of six species of apes, including humans, and 15 species of monkeys with tails to pinpoint key differences between the groups. Pixabay Long ago, our animal ancestors had tails, but we don’t. Scientists have been curious about why this change happened. Now, a new study found that a small change …