The Discovery Channel’s popular Shark Week is July 28-August 4. Help scientists learn more about sharks through the projects we’ve tagged for you, below. This year, you can also help provide healthy ocean homes for sharks by joining the world’s largest volunteer effort for oceans: the International Coastal Cleanup.

The Shark Trust: Great Eggcase Hunt

Ever see a “mermaid’s purse” while walking on the beach? These are the egg cases of sharks or skates, and they help scientists