Beilianchi Lake in China is facing a silent threat from pollution. This lake is a victim of both nature and human activity. The lake's sediments have been studied to understand the impact of these factors on the levels of polycyclic aromatic hydrocarbons (PAHs). These are nasty chemicals that can harm both the environment and health. The study found that PAH leve...

Sunlight can make water pollution worse. There are chemicals called polycyclic aromatic hydrocarbons, or PAHs. They are found in water and can harm aquatic life. The problem is, when UV light from the sun hits these chemicals, they can become even more toxic. This is a big deal because we don't know much about how these chemicals affect aquatic life over long periods...