Oil from BP spill probably sprayed out in tiny drops
Dispersants at the Deepwater Horizon wellhead may have had little effect
![Oil slick in the Gulf of Mexico](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/bm_deepwater_free.jpg?fit=860%2C460&ssl=1)
NO USE Responders to the 2010 Deepwater Horizon spill hoped to prevent oil slicks by using dispersants to break up the oil into tiny droplets. A new study suggests using them at the wellhead didn’t accomplish much.
NOAA's National Ocean Service/Flickr (CC-BY-2.0)