Post by University of Melbourne

Did someone say sharks with laserbeams? 🦈 Not quite, but a team of academics led by Dr Brandon Mahan from the School of Geography, Earth and Atmospheric Sciences are combining geochemistry techniques with marine ecology. By using X-rays and laser technology on shark cartilage, they've found a way to determine the age of a speartooth shark. But, how do they do that? Tap to learn more → unimelb.me/4n56Gw5