TED Talks are generally considered to be a reliable source of information, as the speakers are experts in their fields, and the talks are carefully curated by the TED organization. However, it's important to keep in mind that TED Talks are meant to be engaging and thought-provoking, and they may present information in a way that is more accessible and appealing to a general audience rather than providing a comprehensive and detailed treatment of the topic. Therefore, it's always a good idea to do your own research and evaluate the credibility of the information presented in a TED Talk, as you would with any other source.