OpenEvidence is the leading medical platform for healthcare professionals, featuring answers grounded in peer-reviewed research from NEJM, JAMA, NCCN, Cochrane, and more.

1 day ago · The meaning of OPEN is having no enclosing or confining barrier : accessible on all or nearly all sides. How to use open in a sentence. Synonym Discussion of Open.

OPEN definition: 1. not closed or fastened: 2. ready to be used or ready to provide a service: 3. not closed in or…. Learn more.

Get the latest news and videos from The Open Championship, golf's original major.

7 hours ago · French Open men's semifinals — latest It is men's semifinals day at the 2026 French Open as four stars battle it out to reach the final today.

We believe our research will eventually lead to artificial general intelligence, a system that can solve human-level problems. Building safe and beneficial AGI is our mission.

The Open University offers flexible full-time and part-time study, supported distance and open learning for undergraduate and postgraduate courses and qualifications.

OpenTable is a real-time online booking network for fine dining restaurants.

The official site of the 2026 US Open Tennis Championships. Follow the action with live scoring, live radio, news and highlights. Buy tickets and plan your visit.

The Open Championship, often referred to as The Open or the British Open outside of the UK, is the oldest golf tournament in the world, and one of the most prestigious. Founded in 1860, it was …