Scientific thinking, rational approaches, humanism, religious tolerance, diversity, democracy, freedom of speech, and gender equality were some of the most significant fruits of the Enlightenment ...

Before the Scientific Revolution, "facts" about the universe, medicine, and even the human body, were basically bogus. Which meant 16th-century brainiacs had some convincing to do. Here's a look at ...

Original broadcast date: January 7, 2022. New innovations in gene and stem cell technology have the power to shape ecosystems and even change humanity. This hour, TED speakers share the breakthroughs ...