WTF Fun Fact – Boring Billion

There is a period during Earth’s evolution where activity stalled which scientists dubbed ‘the boring billion’. Beginning roughly 1.7 billion years ago, the Earth became a slimy, near-static world of algae and microbes. – WTF Fun Facts

Source: https://www.newscientist.com/article/mg22229672-900-why-did-evolution-stall-during-the-boring-billion/