THE CRA PERSPECTIVE • EARTH SCIENCE How Much Water Is There on Earth? Can our planet ever run out of water? Exploring Earth's enormous water reserves, the freshwater shortage and the future of humanity. Water is one of the most extraordinary and essential resources on our planet. Our planet is called the Blue Planet for a reason. Approximately 71% of Earth's surface is covered by water. But does that mean we have an unlimited supply of water for human survival? Look at the oceans, rivers, lakes, glaciers and countless streams across the world. Water seems almost endless. It falls as rain, flows through rivers, disappears into the ground, freezes into ice and rises into the atmosphere as water vapour. Yet billions of people experience water shortages. Some communities struggle to obtain safe drinking water, groundwater reserves are declining in several regions, and pollution is making important water sour...
Masks are far more than just objects of disguise or protection. Across cultures and centuries, they have carried deep psychological, cultural, and spiritual meanings. From ancient rituals to today’s social and digital worlds, masks reveal how humans express identity, emotion, and power. 🏺 Ancient Rituals: The Sacred Power of Masks In early societies, masks played a central role in rituals and ceremonies . Spiritual Connection: African tribal masks were believed to channel spirits and ancestors. Transformation: In ancient Greece, actors wore masks to embody gods or mythical characters, shifting their identity on stage. Protection: Shamans often used masks in healing rituals, believing they could ward off evil forces. Masks gave wearers a sense of power, anonymity, and transformation—altering both how they felt and how others perceived them. 🧠 The Psychology Behind Masks Psychologists suggest masks hold unique power over the mind: Identity Shift: Weari...