This science fair project compares the abilities of men and women to understand subtle communication through body language.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project idea explores whether the color of surroundings affects human mood.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This science project has students study the idea of human beauty.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Explore the neural and mental mechanisms at play in mental imagery.

This science fair project idea compares the cuteness reaction between genders.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea examines readersâ expectations in regard to literature.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea determines the way in which color affects memorization.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea studies past and current fads and trends.

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project idea investigates the relationship between memory and age.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This science fair project idea tests for the existence of an ability known as remote viewing.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project determines whether most people will notice that a game of chance is very slightly rigged.