الطبيعة / الطقس

How Do Birds Know Where to Migrate

Discover how birds can travel thousands of kilometres and still find their way to the right destination. Learn how they use the Sun, stars, landmarks, Earth’s magnetic field, and even smells to navigate. Explore how young birds inherit some migration instincts while others learn routes from experienced members of their flock. This video reveals the remarkable natural navigation systems that guide birds across the planet.

How Do Chameleons Change Colour

Discover how chameleons change colour using specialized cells in their skin called chromatophores and iridophores. These cells contain pigments and tiny reflective crystals that can shift how light is absorbed and reflected. Chameleons change colour not only for camouflage, but also to communicate, regulate body temperature, and respond to mood or stress. This video explores the fascinating science behind one of nature’s most remarkable colour-changing abilities.