How animal life exploded on Earth
Photo: MIRMAXSTOCK About 540 million years ago, our planet suddenly erupted with life, filling our oceans with a diversity of complex life. This is known as the Cambrian explosion, and for a long time scientists agreed it was triggered by a rise in oxygen levels in the atmosphere. But new research from Emma Hammarlund at Lund University is turning the tables completely on what scientists thought t
https://www.lunduniversity.lu.se/article/how-animal-life-exploded-earth - 2025-08-21