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There's an Evolutionary Reason Humans Developed the Ability to Feel Shame

health.howstuffworks.com/mental-health/human-nature/why-humans-evolved-feel-shame.htm

What evolutionary purpose would shame serve? Learn more about the origins of shame in this HowStuffWorks Now article.

Are fish antibiotics safe for humans?

health.howstuffworks.com/medicine/medication/fish-antibiotics-safe-for-humans.htm

Fish antibiotics might be similar to prescription antibiotics, but that doesn't mean they're safe. Learn more about fish antibiotics.

New Human Highway 'Organ' Identified

health.howstuffworks.com/human-body/parts/new-human-highway-organ-identified.htm

Scientists have discovered what they are calling a new organ. HowStuffWorks takes a look at the science.

Why Humans Scream, Make Crazy Faces When Terrified

science.howstuffworks.com/life/inside-the-mind/human-brain/why-humans-scream-when-scared.htm

Wouldn't keeping quiet help us get away from whatever's scaring us? What's the science behind the weird face and raw shout?

Why Didn't Evolution Give Us the Ability to Smell Fresh Water?

science.howstuffworks.com/life/evolution/humans-smell-fresh-water-evolution.htm

You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?

Mars Is Littered With Over 7 Tons of Trash From Robotic Space Exploration

science.howstuffworks.com/mars-littered-human-trash-news.htm

Debris on Mars comes from three main sources: inactive spacecraft, discarded hardware and crashed spacecraft. What risk does this trash pose to current and future missions?

Top 5 Computer vs. Human Game Matchups

electronics.howstuffworks.com/5-computer-vs-human-game-matchups.htm

Computer vs. game matchups have been popular to see if a computer can think like a human. See the winners of five computer vs. human game matchups.

A Human's Sense of Smell Is Actually as Good as a Dog's

health.howstuffworks.com/human-body/systems/nose-throat/human-sense-smell-good-as-dog.htm

A new report says humans' sense of smell is similar to other mammals'. HowStuffWorks looks at how the myth got started that ours was worse.

Can Humans Catch 'Zombie Deer Disease'?

health.howstuffworks.com/diseases-conditions/rare/can-humans-catch-zombie-deer-disease.htm

Deer in many states have a brain-wasting disease that gives them zombielike symptoms. HowStuffWorks looks at the danger to humans.

10 Outrageous Experiments Conducted on Humans

science.howstuffworks.com/innovation/scientific-experiments/10-outrageous-experiments-conducted-on-humans.htm

Some truly bizarre and troubling things have been done through the ages in the quest for scientific knowledge. The 10 experiments on this list all made humans into lab rats.

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