Surprising Science — December 3, 2010

Evolution’s Imperfection

We are full of the accumulated baggage of our idiosyncratic histories. From hiccups to wisdom teeth, the evolution of homo sapiens has left behind some glaring imperfections.

bigthinkeditor

From hiccups to wisdom teeth, the evolution of homo sapiens has left behind some glaring, yet innately human, imperfections. Natural selection acts by winnowing the individuals of each generation, sometimes clumsily, as old parts and genes are co-opted for new roles. As a result, all species inhabit bodies imperfect for the lives they live. Our own bodies are worse off than most simply because of the many differences between the wilderness in which we evolved and the modern world in which we live. We feel the consequences every day. Here are ten.

A vibrant space image showing a star-forming region with clusters of bright stars and colorful nebulas in shades of red and green.

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The “Big Crunch”: New dark energy data raises questions about Universe’s fate

Here's what recent DESI measurements suggest — and why it's too early to update conventional predictions about the Universe's distant future.

A collage of images featuring an anatomical drawing of a heart, a portrait of a bearded man embodying everyday philosophy, a brain illustration, and a smartphone showing an unread message notification.

Thinking

Everyday Philosophy: “Is it OK to ghost the people you date?”

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Collage of images featuring a classical sculpture, a close-up of a human ear, and a woman in a cafe expressing surprise with children nearby.

Thinking

Everyday Philosophy: “Can I ever swear in front of kids?”

Irene is on a bus with her young kids when two men come on, cussing like sailors. Should Irene step in and say something?

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Thinking

Everyday Philosophy: “Should I have to work the same hours as my inefficient colleague?”

Rich is brilliant at his job. He completes work in half the time of his coworkers. Should he have to sit at his desk just as long?

Abstract illustration of orange arrows soaring upwards from converging lines, symbolizing growth, progress, or success.

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