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Why are humans altruistic?
science.howstuffworks.com/life/inside-the-mind/emotions/humans-altruistic.htm
Why are humans altruistic? Even when it might hurt us? See concepts and ideas on why humans are altruistic at Discovery Health.
How the Living Earth Simulator Will Work
science.howstuffworks.com/environmental/earth/geophysics/living-earth-simulator.htm
You may have noticed that our planet isn't terribly predictable. Could a German polymath and an unfathomable pile of data change that?
How to Get Rid of Crow's Feet
health.howstuffworks.com/skin-care/beauty/anti-aging/get-rid-of-crows-feet.htm
Want to know how to get rid of crow's feet? Visit HowStuffWorks to learn how to get rid of crow's feet.
Does Your Body Really Replace Itself Every Seven Years?
science.howstuffworks.com/life/cellular-microscopic/does-body-really-replace-seven-years.htm
Your body replaces billions (with a b!) of cells every day. In about 100 days, 30 trillion be replaced, but does that mean you're a new person, too?
How 3-D Bioprinting Works
health.howstuffworks.com/medicine/modern-technology/3-d-bioprinting.htm
Bioprinting is an offshoot of 3-D printing that aims to allow scientists and medical researchers to build an organ. Learn more about bioprinting.
Understanding Sinus Congestion
health.howstuffworks.com/diseases-conditions/headache/understanding-sinus-congestion.htm
How much do you understand sinus congestion? Learn about sinuses and what causes sinus congestion in this HowStuffWorks article.
Wolves Are Probably Smarter Than Our Dogs
animals.howstuffworks.com/pets/wolves-are-smarter-than-dogs.htm
A new study put dogs and wolves head to head in the intelligence department. Guess which species won? Find out at HowStuffWorks.
10 Surprising Behaviors in Nonhuman Animals
animals.howstuffworks.com/animal-facts/10-behaviors-in-nonhuman-animals.htm
Nonhuman animals display some strange and surprising behaviors. Learn about 10 surprising behaviors observed in nonhuman animals.
Can manatees see underwater?
animals.howstuffworks.com/mammals/manatees-see-underwater.htm
Manatees see poorly underwater, with the aid of two very small eyeballs. Learn how manatees see underwater and navigate with such poor vision.