The Human Immune System

First Line of Defense The immune system’s first line of defense relies on physical and chemical barriers to prevent harmful pathogens from entering the body. Skin: Acts as a tough, protective outer layer, preventing most germs from entering the body. Mucus Membranes:...

Dinosaurs and their Extinction

World of Dinosaurs Dinosaurs appeared about 230 million years ago during the Triassic Period. They thrived for over 165 million years across the Triassic, Jurassic, and Cretaceous Periods. Types of Dinosaurs: Herbivores (plant-eaters) like the Brachiosaurus and...

Exploring the Solar System: Beyond Planets

Comets Comets are fascinating celestial wanderers known for their glowing comas and spectacular tails illuminating the night sky. Structure of a Comet Nucleus: The solid, icy core made of rock, dust, and frozen gases. Coma: A glowing cloud of gas and dust that forms...

The Physics of Flight

The Science Behind Flight – Forces at Play Flight is made possible by the interaction of four fundamental forces—lift, gravity, thrust, and drag—which work together to overcome the challenges of gravity and air resistance. Lift: Lift is an upward force generated...
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