Tsien is best known for his work on green fluorescent protein (GFP)—but he expanded fluorescent labeling into different colors, and even the infrared. “By working to understand the mechanisms behind ...

Roger Tsien dies; the CRISPR patent dispute you’ve never heard of; immunotherapy for Alzheimer’s; Tasmanian devils developing resistance to transmissible cancer ...

Oversea-Chinese Banking Corp., Singapore’s second-largest bank, named Helen Wong as chief executive officer, replacing Samuel Tsien who will retire in April after running the lender since 2012.