Ocean acidification may make some species glow brighter
As pH drops, certain bioluminescent species might get extra glow, while others dim the lights
![sea fireflies](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/01/010721_BB_bioluminescence_feat.jpg?fit=1030%2C580&ssl=1)
These glowing specks are sea fireflies (Vargula hilgendorfii) on a beach in Japan. A new analysis suggests that they might glow a bit brighter as the ocean becomes more acidic.
Trevor Williams/Stone/Getty Images