Certain species of bats can glow under UV light. Scientists don’t know why

Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why certain mammals exhibit this odd trait.

​ Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why certain mammals exhibit this odd trait. Read More Breaking News, Latest News and Videos | CNN