Search Results | human population
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Humpback Whales Have Made an Amazing Comeback From Extinction
animals.howstuffworks.com/mammals/humpback-whale.htm
Humpback whales can be as long as a city bus and weigh as much as two. They love to breach and water slap with their fins and tails, making them a perennial favorite for whale watchers.
How Animal Testing Works
science.howstuffworks.com/innovation/scientific-experiments/animal-testing.htm
Animal testing has a long, gruesome history, but it's also saved countless human lives.
The Garden Spider and Its Signature Zigzag Web
animals.howstuffworks.com/arachnids/garden-spider.htm
Let's talk about one of the most misunderstood arachnids in your backyard: the garden spider. Known for their intricate webs and striking colors, these arachnids are some of the most beneficial spiders around, keeping insect populations under control.
Air Pollution Kills 5.5 Million Per Year, Half in China and India Alone
science.howstuffworks.com/environmental/green-science/air-pollution-kills.htm
Millions of people die every year because of poor air quality, new international research finds. That number is expected to rise in coming years.
How Hoarding Works
health.howstuffworks.com/mental-health/mental-disorders/hoarding.htm
Hoarding is a serious mental illness that is extremely hard to treat. Find out what we've learned about the disorder from HowStuffWorks.
Meet the Ocelot: The Cutest Little Big Cat
animals.howstuffworks.com/mammals/ocelot.htm
Ocelots were once hunted for their beautiful fur, but are now protected. HowStuffWorks gets to know these beautiful cats.
How Colonialism Works
history.howstuffworks.com/world-history/colonialism.htm
Before World War II, a third of the world's population lived a territory controlled by a colonial power. HowStuffWorks examines colonialism.
Ethnicity vs. Race vs. Nationality: An Explainer
science.howstuffworks.com/life/genetic/race-vs-ethnicity.htm
Humans are a diverse lot - which is good! The question of ethnicity vs. race vs. nationality is a source of much debate, even among experts.
We Challenge You to ID All of These Breeds If You Think You're a Horse Expert!
Of course, you're the one who knows horse breeds like they're your best friends, and this quiz endorses your mysterious horse forces. It's agreed that you need to ID every breed, so take the reins and do it with speed!
Can You Answer These Basic Geography Questions Everyone Should Know?
play.howstuffworks.com/quiz/can-you-answer-these-basic-geography-questions-everyone-should-know
Whether or not you fared well in your high school World Geography class, there are a few basic facts about the world that you should definitely be aware of. Take this quiz to see how much you remember.