Search Results | AIR
Your search for "AIR" returned 6,023 results
Is Every Snowflake Actually Unique?
science.howstuffworks.com/nature/climate-weather/atmospheric/is-every-snowflake-actually-unique.htm
You've probably heard that no two snowflakes are alike, but how can that be true? Find out how molecules of water vapor come together to form these winter wonders.
5 Awesome Antique Tractors
auto.howstuffworks.com/5-awesome-antique-tractors.htm
These 5 awesome antique tractors aren't like the mass-produced tractors you see today. Check out these rare antique tractors at HowStuffWorks.
Do you know which of these is bigger?
play.howstuffworks.com/quiz/do-you-know-which-these-is-bigger
We live in a world filled with things of all sizes. Some things are super-sized -- other things are simply teeny. Can you pick which of the following is bigger?
How Much Do You Know About Heavy Machinery?
play.howstuffworks.com/quiz/how-much-do-you-know-heavy-machinery
Coming through! You don't want to get in the way of our quiz on the steamroller, the bulldozer and other incredibly powerful tools that humans have made. But if you think you're up to the job, test your knowledge of heavy machines now!
Can You Solve These Riddles?
play.howstuffworks.com/quiz/can-you-solve-these-riddles
Riddle me this. It's smart. It's clever. And it looks like you in the mirror. Who is it? It's the person who is about to take this riddle quiz, you!
10 Physical Human Traits That Evolution Has Made Obsolete
In Charles Darwin's book On the Origin of Species, he referred to a number of "vestiges" in human anatomy that he posited are remnants left over from the course of our species' development over time. Darwin suggested that these vestigial organs are evidence of evolution and represent functions that were once necessary for our survival, but [...] The post 10 Physical Human Traits That Evolution Has Made Obsolete appeared first on Goliath.
Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
science.howstuffworks.com/tsar-bomba.htm
In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."
Nigersaurus: The 'Mesozoic Cow' With More Than 500 Teeth
animals.howstuffworks.com/dinosaurs/nigersaurus.htm
Known by the nickname "Mesozoic Cow," the African dinosaur Nigersaurus taqueti has also had its face compared to a vacuum cleaner.
A Guide to Home Safety
home.howstuffworks.com/home-improvement/household-safety/a-guide-to-home-safety.htm
Home safety is an important issue. Learn valuable safety precautions that will reduce the risk of an injury or death occurring in your home.
Is there a way to compare a human being to an engine in terms of efficiency
auto.howstuffworks.com/question527.htm
Is there a way to compare a human being to an engine in terms of efficiency? For example, can you calculate the equivalent "miles per gallon" (kilometers per liter) rating for a person riding a bicycle?