A man in a winter hat and wearing blue plastic gloves holds a plastic sample cup and pointed tool near a shelf-like fungus growing on the side of a mossy tree in a forest. A researcher collecting ...

Process Development Scientists (process chemists) research and develop ways to manufacture products and monitor existing processes and products for quality and efficiency. A process development ...

Re “If Science Keeps Changing, Why Trust It?,” by Elay Shech (Opinion guest essay, Jan. 7): Professor Shech offers a thoughtful argument for what he calls “disciplined trust” in science, a position ...