Wild salmon get a pinkish hue in their flesh from eating astaxanthin, an antioxidant found in their prey. Astaxanthin is not naturally present in the feed given to farm-raised salmon and needs to be added to it; otherwise the salmon flesh will be greyish instead of pink.
You may have heard that Flamingos are pink because they eat shrimp, but the real answer is a little more complex. Flamingos and shrimp are actually both pink from eating algae that contains carotenoid pigments. Flamingos eat both algae and shrimp-like critters, and both contribute to their fabulous pinkness.
In 1842 a disagreement over fiscal policy that included personal mockery led Illinois state auditor James Shields to challenge then-state legislator Abraham Lincoln to a duel. Lincoln insisted on using broadswords instead of pistols. Before the duel commenced, Lincoln demonstrated his much larger physique by swinging the sword overhead, cutting a branch off a tree. Shields quickly reconsidered and a truce was called.
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