How oil breaks fish hearts
Hydrocarbons spilled into oceans stifle the beat of cardiac cells
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/02/bm_brette2HR_feat_free.jpg?fit=860%2C460&ssl=1)
HEARTBREAK Spilled crude oil in the ocean interrupts ion cycling in the hearts of fish, such as this bluefin tuna, which can lead to irregular heartbeats.
© Gilbert Van Ryckevorsel/TAG A Giant