Image of young plant in the morning light on nature background
Science

Can Plants Think? The Torch Podcast

With almost 400,000 known species and thousands more identified every year, the variety of plant life is almost overwhelming—from the microscopic to the largest organism on Earth. In Plant Science: An Introduction to Botany, you will explore the astonishing adaptations that allow plants to live in an enormous variety of ecosystems, from deserts and the ocean floor to thousands of feet above sea level and on every continent. […]

Health & Fitness

Why Are Our Dreams So Weird?

Why Are Our Dreams So Weird? Studies show that there is continuity between people’s dreams and their waking lives. But is the answer so simple? […]

Earth Science

Fossils: Life Cast in Ancient Stone

How can you turn a soft, organic, squishy organism into a fossil that can survive earthquakes, rising mountains, closing oceans, and colliding continents for millions, perhaps even billions, of years? Just what are the chances of some organism becoming a fossil? Learn about the necessary conditions required for a fossil to form and just how unlikely it is to happen. […]

Image of big bang timeline
Physics

The Big Bang Theory Explained

Most people think of the Big Bang as the moment that the universe “exploded” and came into existence. As Professor Don Lincoln explains, the reality is more complicated.  […]

Engineering

Breaking the Sound Barrier and Beyond

During and just after World War II, the quest for ever faster fighter planes reached an apparent natural barrier—the speed of sound. Yet, on approaching this limit, aircraft became unstable and uncontrollable. In this full lecture, discover how a new approach to aircraft design solved the problem of compressibility and shock waves in this transonic region, paving the way for supersonic flight and paved the way to breaking the sound barrier. […]

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