Black sea urchins feed on the algae that grows on the reef. Bronstein said they’re sometimes called the gardeners of the sea for that reason. Algae competes with coral for sunlight.

Ukraine’s sea drones have turned the Black Sea into a hot spot in the war. By Lauren Jackson and Ian Prasad Philbrick Ukrainian forces have been fighting a brutal counteroffensive for the past ...

During 2023 and early 2024, Ukraine used its sea drones to devastating effect against Russia's Black Sea Fleet, with Defense Express reporting that up until March 2024 it targeted 11 ships, ...

Ukraine’s ability to challenge a dominant naval power in a contested sea demonstrates that, with the right strategy and capabilities, Australia can safeguard its own maritime interests. Sea denial.