Seaweed Truck (IMAGE) Penn State Caption A truck carrying 4 tons of bagged, frozen seaweed arrived at Penn State June 28, 2018 for the research, shipped from Portugal. To add the seaweed to dairy cows' feed, researchers freeze dried and ground the plant. Credit Hristov Research Group/Penn State Usage Restrictions Non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.