Understanding Natural Selection Natural selection is a process where organisms better adapted to their environment tend to survive and produce more offspring. Key Components: Variation: Individuals in a species show differences in their traits. Inheritance: Some...

What is CRISPR? CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats. It’s a special tool that allows scientists to cut and edit DNA (the instructions that tell cells what to do). Bacteria use CRISPR to remember virus attacks and fight them off...

Speed & Velocity Speed tells how fast something moves, while velocity adds direction to that motion. Speed: Distance traveled over time (e.g., 60 miles per hour). Formula: Speed = Distance ÷ Time Units: meters per second (m/s), kilometers per hour (km/h), miles...

Organization of the Periodic Table The periodic table is a masterpiece of organization that groups elements based on their properties. Elements are arranged in rows (periods) and columns (groups or families). A symbol, atomic number, and atomic mass represent each...

What is the International Space Station (ISS)? The ISS is a state-of-the-art science lab orbiting 250 miles above Earth.  The ISS is a massive spacecraft and research facility built by 15 countries. It orbits Earth at a speed of 17,500 mph, completing 16 orbits a day....

How does AI Work in Medicine? Artificial Intelligence (AI) is the ability of machines to perform tasks that typically require human intelligence, such as learning, reasoning, problem-solving, and decision-making. AI analyzes large amounts of medical data, such as...

The Endocrine System - An Overview The endocrine system is a network of glands that produce and release hormones to regulate vital body functions. Pituitary Gland: The “master gland” controls growth and other glands. Thyroid Gland: Regulates metabolism and energy....