Search Results | human population
Your search for "human population" returned 1,378 results
Are all blood types needed for for donation?
health.howstuffworks.com/human-body/systems/circulatory/question593.htm
I would like to donate blood and keep hearing about which blood types are needed most. How do human blood types work?
Real Life 'Jurassic Park'? Scientists Work to Bring Back Extinct Thylacine
animals.howstuffworks.com/extinct-animals/bring-back-extinct-thylacine-news.htm
Bringing a species back from extinction might not be the stuff of sci-fi any longer.
When Does an Epidemic Become a Pandemic?
health.howstuffworks.com/diseases-conditions/infectious/pandemic.htm
The World Health Organization just declared the coronavirus a full-blown pandemic. What does that even mean, and how is that different from an epidemic?
How to Use DNA Testing for Genealogy Research
people.howstuffworks.com/culture-traditions/genealogy/use-dna-testing-genealogy-research.htm
Using DNA for genealogy research is becoming more commonplace. Visit HowStuffWorks to learn about using DNA for genealogy research.
Where did SARS come from?
health.howstuffworks.com/diseases-conditions/infectious/sars-come-from.htm
Where did SARS come from? Visit HowStuffWorks to learn more about the origins of SARS from this article.
How Will You Do on This Tough, Irritating Geography Quiz?
play.howstuffworks.com/quiz/the-hardest-most-irritating-geography-quiz-youll-take-today
Our world is full of fantastic and interesting mountains, lakes, cities, and other geographical landmarks. Grab your passport and see if you can master this tough and strange geography quiz!
How Do Animals Survive Major Storms?
animals.howstuffworks.com/animal-facts/do-animals-survive-major-storms.htm
Miraculously many animals are able to ride out some of Mother Nature's most powerful storms. HowStuffWorks looks at just how they do it.
Coyotes: The 'Song Dogs' of North America
animals.howstuffworks.com/mammals/coyote.htm
The coyote inhabits most areas of North America. HowStuffWorks gets to know the 'song dog.'
5 Reasons Parasites Are Beneficial to Earth
science.howstuffworks.com/environmental/green-science/5-reasons-parasites-beneficial.htm
You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.
The Hottest Place on Earth and 9 Scorching Contenders
science.howstuffworks.com/nature/climate-weather/atmospheric/hottest-place-on-earth.htm
When challenged to name the hottest place on Earth, sprawling desert environments like Death Valley or the African Sahara probably spring to mind. However, extreme heat nearly matching those examples can occur on five continents, and some of these hottest places are even densely populated by humans.