Search Results | human population
Your search for "human population" returned 1,396 results
How Blood Works
health.howstuffworks.com/human-body/systems/circulatory/blood.htm
Blood is the most commonly tested part of the body, and it is truly the river of life. Learn about red and white blood cells, lymphocytes, blood tests, blood types and blood donation.
How Earthworms Work
animals.howstuffworks.com/animal-facts/earthworm.htm
Earthworms aren't just good for fish bait. Read about earthworm anatomy, reproduction and life as an earthworm at HowStuffWorks.
How Genghis Khan Worked
history.howstuffworks.com/historical-figures/genghis-khan.htm
Sheer tenacity, brilliance and toughness enabled Genghis Khan to become one of the most powerful figures in history. HowStuffWorks looks at his life.
10 Deadly Agents the CDC Works With
health.howstuffworks.com/diseases-conditions/infectious/10-deadly-agents-the-cdc-works-with.htm
The CDC routinely handles deadly agents that can cause disease and infection. View 10 of these public health enemies to learn more.
10 Common Hospital-acquired Infections
health.howstuffworks.com/medicine/healthcare/10-common-hospital-acquired-infections.htm
Hospital-acquired infections occur because a hospital puts many people with infections in one place. Learn more about hospital-acquired infections.
How Cannibalism Works
people.howstuffworks.com/cannibalism.htm
Cannibalism is a topic that's widely misunderstood and feared -- especially in the Western world. Learn about cannibalism and ancient and modern practitioners.
How Crash Testing Works
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/crash-test.htm
Automotive crash testing has saved thousands of lives by making cars safer. Learn about the tests, the ratings and how the dummies tell engineers what happens in an accident.
How the Fermi Paradox Works
science.howstuffworks.com/space/aliens-ufos/fermi-paradox.htm
Are all the aliens hanging out without us?
Alzheimer's Overview
health.howstuffworks.com/mental-health/neurological-conditions/alzheimers.htm
Alzheimer's isn't a normal part of aging. Alzheimer's disease is the most prevalent form of dementia, and its diagnosis can be heartbreaking for families.
How the Future Crime Database Will Work
people.howstuffworks.com/future-crime-database.htm
A future crime database came to life on film with 'Minority Report.' In reality, can we predict future crime? Learn how a future crime database would work.