Scientists Have Found That Scalpels Made from Obsidian Are Sharper

question 18

Essay

Scientists have found that scalpels made from obsidian are sharper and more effective at preventing scaring than those of more modern steel.What other lessons do you think we could learn today from our ancestors?

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Definitions:

Free Blacks

African Americans who were not enslaved, enjoyed certain degrees of freedom, and sometimes owned property, particularly before the Civil War in the United States.

Laws

Rules and regulations that are established and enforced by a governing authority to maintain order and protect people's rights.

Franchise

The right to vote in public, political elections; often discussed in the context of extending this right to different groups historically excluded.

Black Sailmaker

Refers to a historically significant African-American individual or individuals engaged in the craft of making sails, a profession that would have held import both economically and in terms of mobility.