Sharks are famous for their sharp sense of smell, detecting blood from far distances. But did you know that humans have an even greater ability? When rain is on its way, we can smell it in the air, thanks to a unique scent released by the soil. Despite its tiny amount—just 0.4 parts per billion—we…
Fried sharks are one of the oldest living species on earth today. These are known as ‘living fossils’. This is because there have been frilled sharks on Earth for the last 80 million years. Although dinosaurs were killed 60 million years ago, they managed to survive. They have not undergone any significant changes in their…
Qianshi limestone in Yangquan City, north China’s coal-rich Shanxi Province / well-preserved petalodus teeth Studies in the samples have shown that the petal-shaped teeth have a crown that looks like a snout and has a long, tongue-shaped root. Shark petal-shaped teeth or petalodus teeth about 360-250 million / 360 million and 250 million yeras ago…
