vertical stripes + horizontal stripes = plaid.  hahaha!

How genetics works

vertical stripes + horizontal stripes = plaid. hahaha!

Descoberta de traição rende 'jogo' e carta irônica de despedida - Fernando Moreira: O Globo

Descoberta de traição rende 'jogo' e carta irônica de despedida - Fernando Moreira: O Globo

A University science building  has PERIODIC TABLES. ha! Source: Imgur user IHateOptimists

A Dog With Its Own Yearbook Photo, Plus More of the Week's Best Pics

A University science building has PERIODIC TABLES. ha! Source: Imgur user IHateOptimists

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