550-Million-Year-Old Fossil Uncovers Earth’s First Evidence of ‘Right-Handedness’ in Animals
Fossils of Spriggina floundersi from South Australia may provide the oldest known evidence of population-wide “handedness” in the animal kingdom, according to a study published in Scientific Reports. Researchers found that these 550-million-year-old organisms exhibited a statistically significant preference for turning in one direction over the other, suggesting a complex nervous system existed long before … Read more