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2. The Scientific Method: What Is It? - WebMD

   www.webmd.com/a-to-z-guides/what-is-the...

   The scientific method is a systematic way of conducting experiments or studies so that you can explore the world around you and answer questions using reason and evidence. It's a step-by-step ...

3. Problem solving - Wikipedia

   en.wikipedia.org/wiki/Problem_solving

   Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields. The former is an example of simple problem solving (SPS) addressing one issue ...

4. Scientific method - Wikipedia

   en.wikipedia.org/wiki/Scientific_method

   e. The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century. The scientific method involves careful observation coupled with rigorous scepticism, because cognitive assumptions can distort the interpretation of the observation.

5. 10 Games and Puzzles to Exercise Your Brain - Healthline

   www.healthline.com/health/mental-health/games...

   7. Sudoku. Sudoku is a number puzzle where you have to fill a grid with numbers 1 through 9, with each number appearing only once in a row, column, or box. This classic game makes you think ...

6. List of unsolved problems in physics - Wikipedia

   en.wikipedia.org/wiki/List_of_unsolved_problems...

   Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating an experiment to test a proposed theory or investigate a phenomenon in greater detail.

7. How to Become Smarter: 10 Ways to Boost Your Intelligence

   www.healthline.com/health/how-to-become-smarter

   use meditation apps. listen to guided meditation videos. attend a meditation class. 4. Drink coffee. Adenosine is a brain chemical that stops the release of stimulatory substances in your brain ...