Scientists still don't know the answer to this infamous question - Charles Wallace & Dan Kwartler

People who have expert knowledge in one or more of the natural or physical sciences. They conduct research and experiments to discover new things.

The ability to comprehend or grasp concepts, situations, or the meaning of something. It represents a mental state of awareness and comprehension, or a mutual agreement between parties.

Cognitive relates to the mental processes of perception, memory, judgment, and reasoning. It describes the activities of the mind associated with thinking, understanding, learning, and remembering. Essentially, if a process involves conscious intellectual activity, it is considered cognitive.

To act like a normal person or to function properly in daily life. It is often used humorously when someone feels too tired, stressed, or unmotivated to deal with social or work tasks.