Search Results | human population
Your search for "human population" returned 1,396 results
How E-voting Works
people.howstuffworks.com/e-voting.htm
E-voting lets votes be cast and tabulated electronically. Learn about e-voting systems, e-voting concerns like voter fraud and voting over the internet.
Top 10 Game-changing Military Technologies
science.howstuffworks.com/10-game-changing-technologies.htm
These 10 technologies changed war and the course of history as we know it. Some of these battlefield innovations, like adding grooves to gun barrels, are surprisingly simple. So what else made our list?
How Greenhouses Work
home.howstuffworks.com/lawn-garden/professional-landscaping/greenhouse.htm
Reproducing plants out of season gave man a measure of control over nature. The allure of it sparked the imagination and inspired new methods for building structures devoted to plants. So how do greenhouses work?
How Recycling Works
science.howstuffworks.com/environmental/green-science/recycling.htm
Recycling involves taking something useful and turning it into something new instead of throwing it away. Learn about recycling and the many types of recycling.
10 Little-known Facts About the Founding Fathers
history.howstuffworks.com/revolutionary-war/10-founding-father-facts.htm
You may be able to name a few of the Founding Fathers of the United States. But you probably haven't heard these facts about the Founding Fathers.
How the Scientific Method Works
science.howstuffworks.com/innovation/scientific-experiments/scientific-method.htm
The scientific method is something that all of us use almost all of the time. Learn more about the scientific method and the steps of the scientific method.
How Stackable Cars Will Work
auto.howstuffworks.com/under-the-hood/trends-innovations/stackable-car.htm
Stackable cars could mimic the design of stacked shopping carts. Learn how stackable cars compact themselves and how the vehicles actually function.
Medieval History Quiz
play.howstuffworks.com/quiz/medieval-history-quiz
Alright, history buffs, it's time to pack up your books and take a journey back to medieval Europe with this quiz. Will you get a victory or fall before the battle even gets started? Let's find out!
How Houseflies Work
animals.howstuffworks.com/insects/housefly.htm
Though houseflies scavenge and carry disease, houseflies also provide food for the local ecosystem. Learn why houseflies love the great indoors.
How Narwhals Work
animals.howstuffworks.com/mammals/narwhal.htm
Narwhals, the unicorns of the sea, are unusual tusked whales who like icy ocean waters. See what else makes narwhals interesting whales indeed.