Did you receive a letter from us inviting you to complete a short survey for Pew Research Center? Call 1-888-678-3419 to get started. Find answers to frequently asked questions below. If you still ...

Drug discovery is the process through which potential new medicines are identified. It involves a wide range of scientific disciplines, including biology, chemistry and pharmacology. The National ...

Objective In China, a large number of health-related short videos are posted on video platforms, including educational videos about irritable bowel syndrome (IBS). This study aimed to evaluate the ...

John Brown was a man of action -- a man who would not be deterred from his mission of abolishing slavery. On October 16, 1859, he led 21 men on a raid of the federal arsenal at Harpers Ferry, Virginia ...