Examlex
Farmers use alley cropping-in which crops are planted in rows around hills rather than up and down the hills-to minimize soil erosion.
Authentic
Genuine or true to one's own personality, spirit, or character, often implying sincerity and integrity.
False Facial Expressions
Facial expressions that do not genuinely reflect the emotions one is actually feeling, often used in social situations to conceal true feelings.
Paul Ekman
A psychologist who is a pioneer in the study of emotions and their relation to facial expressions.
Prefrontal Cortex
The front part of the frontal lobe of the brain, associated with decision making, problem-solving, and complex thought.
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