One of the oldest life forms on earth may hold the key to battling hard-to-treat cancers, according to new research by scientists at Oregon State University. The compound, coibamide A, is found in blue-green algae, organisms that have existed for at least two billion years. It was found during a diving trip in Panama’s Coiba National Park eight years ago and run through the National Cancer Institute’s database of potential anti-cancer compounds. Coibamide A was tested on mice and found to be more effective at killing brain and triple negative breast cancer cells—two of the most aggressive and hard-to-treat types of the disease—than anything ever tested before. “The chemical diversity found in nature has always been a significant source of inspiration for drug design and development, but”¦ marine environments remain relatively unexplored,” said Jane Ishmael, a cellular biologist at Oregon State University and lead author of the new study.