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Blog Posts by: Jocelyn Ruark (Volunteer)

Freshmen year at my home university, I took “rocks for jocks” or Geology 101. Over the semester, I had to memorize the appearance and name of 60 different rocks so I could identify a random sample of 20 for the final exam. As December approached, I prayed for a tray holding “easy” stones to recognize like granite, coal, and one of my favorite stones, amber. The beautiful golden-hued amber is actually a resin made from the fossilization of pine sap.

As December quickly approaches, every morning when I head into the Baltic office, I pass a new Christmas tree on display in a shop window or welcoming guests just outside the door of a local bar. After passing a particularly tall pine this morning, I thought about how interesting it is that a tree’s age is not measured by its height, but by the number of rings that are laid down each year in its trunk. This got me thinking – how do the researchers at Oceana determine the age of fish?