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Science in Focus: Using Light to Make Single Cells Self-Destruct

Researchers at UCSF have developed a new optogenetic tool that can be used to completely eliminate single cells from brain networks in animals. The researchers believe the new tool will enable exquisitely precise experiments to help researchers understand how each cell contributes to the whole.

Science in Focus: How Do White Blood Cells Move So Fast?

White blood cells called neutrophils race after bacteria at speeds up to a thousand times that of most human cells by moving in a special way. Lillian Fritz-Laylin and Megan Riel-Mehan want to know how that works.

Science in Focus: Evolving Immune Fighters in the Gut

Graduate student Lauren Rodda captured a microscopic mage of a mouse gut, which highlights her work to understand the germinal center, where immune cells compete to be the best at recognizing an invading pathogen.