Scientists revived 7,000-year-old algae and it’s still thriving

Scientists revived 7,000-year-old algae and it’s still thriving

At the bottom of the Baltic Sea, buried beneath layers of sediment and sealed off from light and oxygen, ancient phytoplankton have been lying dormant for thousands of years. Now, researchers have revived some of these organisms, making them among the oldest known algae ever successfully brought back to life. The algae were retrieved from sediment cores taken 240 meters below the sea surface during a 2021 expedition to the Eastern Gotland Deep. …