The Earth’s seasons are caused by its tilt as it orbits the sun. Because the Earth is tilted about 23.5 degrees, different parts of the planet receive varying amounts of sunlight throughout the year. When one hemisphere leans toward the sun, it experiences summer, while the other hemisphere experiences winter. This tilt and movement also affec
The Role of Pollinators in Food Production
Pollinators like bees, butterflies, birds, and bats play a vital role in food production by helping plants reproduce. When these animals visit flowers to collect nectar or pollen, they transfer pollen from one flower to another, enabling fertilization. This process leads to the growth of fruits, vegetables, and seeds. Without pollinators, many c
How Vaccines Are Developed
Vaccines are created through a careful and scientific process to protect people from infectious diseases. Researchers study the virus or bacteria and find ways to safely trigger the immune system without causing illness. This often involves using weakened or inactive parts of the germ or its proteins. Before vaccines are approved for public us
Why Exercise Improves Mental Health
Exercise not only benefits the body but also has positive effects on the mind. Physical activity releases chemicals called endorphins, which help reduce feelings of stress and anxiety. Regular exercise can improve mood, increase self-confidence, and promote better sleep. In addition, exercise helps the brain by improving blood flow and encouragi