The Maya of Ucanal, in present-day Guatemala, kept their water free of biological contaminants for a millennium—but their ritual use of mercury created a toxic taint.
High‑resolution imaging and genetics reveal the architecture and function of the coronary network of zebrafish, opening new avenues for understanding several congenital heart diseases.
Traps designed to combat an invasive species also kill bees. A study led by an UdeM undergraduate reveals the hidden costs of a seemingly harmless solution.