What Is Photosynthesis?
Photosynthesis is the process used by plants, algae, and certain bacteria to convert light energy into chemical energy. It typically occurs in chloroplasts and produces oxygen as a byproduct.
Fun Fact: The Deep Sea
Over 80% of the ocean remains unexplored. Many deep-sea organisms produce their own light through bioluminescence, a chemical reaction involving luciferin and luciferase.
History Bite: The Roman Aqueducts
Roman aqueducts were engineering marvels that transported water across long distances using gravity alone. Some aqueducts still stand after nearly 2,000 years.
Science Bit: What Is an Atom?
An atom consists of protons, neutrons, and electrons. It is the smallest unit of ordinary matter that forms chemical elements.
Geography Snippet: The Sahara Desert
The Sahara is the largest hot desert in the world, covering over 9 million square kilometers. Despite its harsh climate, it supports various forms of wildlife.
Language Note: Origins of English Words
Many English words are borrowed from Latin, French, and Germanic languages. For example, the word “school” originates from the Greek word “skholē,” meaning leisure or free time.
Math Fact: The Fibonacci Sequence
The Fibonacci sequence is a series of numbers in which each number is the sum of the two previous ones. It often appears in nature, such as in the arrangement of leaves.