Sign effect
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A new UBC study reveals that the brighter the orange on a male guppy, the more virile it is, solving a long-standing evolutionary puzzle about their flashy colours.
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Get it over with, or procrastinate? New research explores our decision-making process
When it’s time to schedule a vacation, most people will do it right away. But when it comes to booking a root canal, some people will procrastinate while others will put it at the top of their to-do list.
