Shark lasers could help save vulnerable species

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. It is estimated that fewer than 2,500 mature Speartooth sharks remain in the wild. Breakthroughs, discoveries, and DIY tips sent six days a week. Combining lasers and sharks may sound like a bad idea, but marine ecologists are banking on it to help save some of the planet's most threatened species. By merging optical technology and geochemistry, a group of researchers in Australia are gaining far more accurate information on the snub-nosed speartooth shark's () age, as well as the health of its environment.