This includes cyberbullying and bullying based on a student's actual or perceived race, color, national origin, sex, disability, sexual orientation, gender identity or religion.

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Hate Crimes Prevention Act -- which criminalizes violence motivated by any person's actual or perceived disability, race, color, national origin, religion, sexual orientation, gender, or gender identity -- for their alleged actions against the disabled victims.

CNN: STORY HIGHLIGHTS

The system is modeled after military base security protocols in which a color code signifies the level of precaution and perceived threat, according to two officials involved in developing it.

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In one study published in the journal Environmental Science and Technology last year, Dr. Micklewright and his team examined how the color of the imagery participants viewed while cycling would affect their mood and perceived feelings of exertion.

WSJ: Hard-Wired to Hate Exercise?