Scientific American's most popular stories published in 2013 included the following:

1. The Awesomest 7-Year Postdoc or: How I Learned to Stop Worrying and Love the Tenure-Track Faculty Life

2. "Just a Theory": 7 Misused Science Words

3. Dear American Consumers: Please Don't Start Eating Healthfully. Sincerely, the Food Industry

4. Tread Lightly: Labels That Translate Calories into Walking Distance Could Induce People to Eat Less

5. The sheepshead fish has human teeth, but it's okay because it won't give you a psychedelic crisis

6. You Are Less Beautiful Than You Think

7. How to Really Eat Like a Hunter-Gatherer: Why the Paleo Diet Is Half-Baked

8. The Rich See a Different Internet Than the Poor

9. Carbon Planets Turn Earth's Chemistry on Its Head

10. Psychologists Identify the Best Ways to Study


Below are are some of the most popular stories viewed this year that were published prior to 2013:

Men and Women Can't Be "Just Friends": Scientific American

Why do cats purr?

How long can a person survive without food?

How Brainless Slime Molds Redefine Intelligence [Video]

Why does lactic acid build up in muscles? And why does it cause soreness?

What is the function of the human appendix? Did it once have a purpose that has since been lost?

Scientists Discover Children's Cells Living in Mothers' Brains

Strange but True: Drinking Too Much Water Can Kill

How long can humans stay awake?

The Unleashed Mind: Why Creative People Are Eccentric