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People's Bodies Now Run Cooler Than 'Normal' — Even in the Bolivian Amazon
health.howstuffworks.com/wellness/people-body-temps-now-cooler.htm
In the U.S., normal body temperature has been dropping over the past 150 years. People run cooler today than they did two centuries ago. Why is that?
Should you wear sunglasses while driving in the rain?
Wearing sunglasses while driving in rain actually helps. Find out why you should wear sunglasses while driving in the rain at HowStuffWorks.
What's the difference between a seal and a sea lion?
animals.howstuffworks.com/mammals/seal-versus-sea-lion.htm
The difference between seals and sea lions is easy to spot once you know what to look for. Learn about the difference between seals and sea lions.
Revascularization Explained
health.howstuffworks.com/medicine/modern-treatments/revascularization.htm
Revascularization surgeries are amazing procedures. Learn how revascularation can bypass blocked arteries and restore blood flow to major organs.
How Alternative Fuel Filling Stations Work
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/alternative-fuel-filling-stations.htm
Alternative fuel filling stations are growing in popularity. Learn about how alternative fuel filling stations work at HowStuffWorks.
Gen Z Age Range, Traits and Nicknames
people.howstuffworks.com/culture-traditions/generation-gaps/generation-z.htm
What is unique about Generation Z? Learn more about Generation Z at HowStuffWorks.
How tall can a tree grow?
science.howstuffworks.com/life/botany/tree-grow.htm
Can a tree grow and grow? Or can a tree grow only to the point that water transport limits it? Learn more about tree growth and the tallest trees.
Do you need a secondary air injection system?
auto.howstuffworks.com/secondary-air-injection-system.htm
Do you need a secondary air injection system? Read about the possible advantages of a secondary air injection system for your car.
Why do we study bugs?
animals.howstuffworks.com/insects/why-study-bugs.htm
There are many reasons why we study bugs, from protecting crops to preventing the spread of disease. Learn more about why we study bugs at HowStuffWorks.
How Police Academies Work
people.howstuffworks.com/police-academy.htm
Police academies turn average people into crime fighters. Want to become an officer? Learn what training police academies require.