Correcting night blindness in dogs
People with congenital stationary night blindness (CSNB) are unable to distinguish objects in dim-light conditions. This impairment presents challenges, especially where artificial lighting is unavailable or when driving at night. In 2015, researchers from Penn’s School of Veterinary Medicine learned that dogs could develop a form of inherited night blindness with strong similarities to the […]
Current marsh pollution has dramatic, negative effects on sea anemone’s survival
Stationary marine organisms that don’t ply the ocean, but spend their lives rooted in one spot, have evolved impressive ways to capture prey. The sea anemone Nematostella, for instance, burrows into salt marsh sediments and stays there for life. But it has specialized ‘stinging cells’ that hurl toxins into passing prey, immobilizing the morsel so […]