With an increase in discussion surrounding a potential vaccine for COVID-19, comes a growing amount of vaccine misinformation. Today we want to talk about how vaccines work.阅读详情

Have you ever wondered how an astronaut in space swallows food, or how you can drink a cola during a handstand, even with the force of gravity working against you? The answer is peristalsis, and we’ll explore it today alongside a SNEAK PEEK of our revamped Head & Neck model.阅读详情