Horny dinosaurs

Dino with the frills on top: Paleontologists are theorizing that some dinosaurs had those cumbersome horns and frills in order to attract mates. The protrusions grew larger as dinosaurs aged so they could more easily signal potential mates.

Thanks to evolution, the signaling function continues today as aging humans deploy little red sports cars, boob jobs and toupees.

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Sorry 2 C U go: Twitter has announced that four of its top executives have resigned voluntarily as a shake-up at the social network continues. It follows the layoffs of more than 300 employees last year.

In keeping with company policy, the departing executives will receive letters of recommendation of less than 140 characters.

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Channel-surfing the vast cultural wasteland: “Outsiders” is WGN America’s new drama about a family living off the grid in present-day Appalachia. In the premiere, the family faces threats to their property and lifestyle.

Later in the first episode, Pa is attacked by a bear; Laura gets into a disagreement with that snot-nosed Nellie Oleson and Carrie falls into the well.

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