Today, this impressive global hub links 11 cities under a world class infrastructure. The Greater Bay Area has come a long way in its efforts to establish itself as one of the world's foremost metropolitan areas, connecting businesses, technologies, people and nature. Peer into the heart of this hub on Greater Bay Area Revealed - a 7 day special premiering Monday 13 Dec, 5.25pm (SEA) | 4.25pm (BKK/JKT). | Discovery Channel Southeast Asia

The Endless Loop: A History of the Infinity SymbolThe infinity symbol (∞), known for its graceful, continuous loop, has a rich history that stretches across mathematics, philosophy, and mysticism. Its earliest recorded use in mathematics was by the English mathematician John Wallis in 1655, who introduced it in his work De Sectionibus Conicis. Wallis never explained why he chose this particular shape, though many historians believe it may have been inspired by the Roman numeral for 1,000 (ↀ), wh