In the Lab By Hyacinth Empinado This machine smokes up to 10 cigarettes at a time — in the name of science
First Opinion By Micah Johnson and Sanjay Kishore Harvard’s low-income workers deserve affordable health insurance
Health By Melissa Bailey They study genetics and teach immunology. And they want to join the auto workers union
First Opinion By Patrick Skerrett Experts debate: Should shootings by police be treated as a public health hazard?