So what's happening inside the firefly's light cells? What's the secret to its glow? In the 19th century, French pharmacologist Raphaël Dubois, working with bioluminescent clams, discovered that ...

“I hope people watch how fireflies glow with heart and soul and think about nature and the preciousness of life,” said Tatsuo Konuma, a commentator at the park. Genji-botaru fireflies are ...