Ancient Fossils Rewrite Life's Timeline

0:00It's April 2nd. Welcome in. This is Canada News today, where local news meets AI. I'm Corey with the story. Scientists just unearthed over 700 fossils in southwestern China's Yunnan Province that rewrite the timeline for life's big glow-up on Earth. These bad boys date back 539 million years to the tail end of the Ediacaran period, showing the shift from flat to dimensional. Ocean critters to three-dimensional beasts that swam, ate, and evolved into everything we know today, including us. This transition happened millions of years earlier than anyone figured, way before the famous Cambrian explosion that kicked off complex animal life. The fossils reveal early animals with bilateral symmetry, left side matching the right, complete with heads and anus' traits we see in nearly all. Modern creatures. Before this, we only had tracks, not the animals themselves. Paleontologists are buzzing because these finds bridge the gap between weird Ediacaran oddballs and Cambrian stars. Experts like Frankie Dunn

1:04from Oxford's Natural History Museum call it our first clear view into how the animal-dominated world formed in a geological heartbeat. It settles the old rocks versus clocks. Debate, where DNA clocks said complex life started early, but fossils lag behind. Now, rocks and clocks sink. Up who? The site, near a UNESCO fossil hotspot, lets researchers walk through layers of deep time, capturing that pivotal evolutionary snapshot. Outside voices mostly back the claims, though a few skeptics want more proof. It took Earth three billion years for life to start, then another 2.4 billion for complexity to hit. These discoveries sparked bigger questions. Was a Cambrian-style boom inevitable once oxygen rose and genes flipped the switch? Animals started munching each other, stirring sediments, and reshaping the planet's chemistry forever setting the stage for the world we wrap about. Today.