Tuna mercury rising
![Hawaiian Yellowfin tuna](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/02/bm_SciSource_BU1629.jpg?fit=860%2C460&ssl=1)
Hawaiian Yellowfin tuna, like the fish above, carry increasing levels of mercury in their muscles, a new study suggests.
Jeffrey Rotman / Science Source
Hawaiian Yellowfin tuna, like the fish above, carry increasing levels of mercury in their muscles, a new study suggests.
Jeffrey Rotman / Science Source