Search Results | u.s

Your search for "u.s" returned 7,169 results

Can You Tell What Countries These International Border Crossings Are In?

play.howstuffworks.com/quiz/can-you-tell-what-countries-these-international-border-crossings-are-in

Borders delineate the shapes of nations and the limits of their reach, culturally, militarily and in terms of natural resources. Border crossings have been flashpoints throughout history. Could you recognize them if you saw them?

Emergency Vehicles: Can You Identify More Than 30?

play.howstuffworks.com/quiz/emergency-vehicles-can-you-identify-more-than-30

We all know about fire trucks, police cars and ambulances, but what about the other emergency vehicles? Put your wits to the test and see if you can name more than 30 of these emergency vehicles.

What are the world's rarest diseases?

health.howstuffworks.com/diseases-conditions/rare/rare-diseases.htm

The world's rarest diseases may affect few people or may exist solely in a lab. Learn about the world's rarest diseases and what makes a disease rare.

How Interpol Works

people.howstuffworks.com/interpol.htm

Interpol is an international police agency that tracks criminals across national borders. Lean about Interpol and find out how Interpol is organized.

12 Things Developed By NASA That Improved Your Life

electronics.howstuffworks.com/12-things-developed-by-nasa-that-improved-your-life.htm

It's no big secret that a number of countries have invested a substantial portion of tax payer dollars into space-based programs. This has left a lot of people wondering whether their money could be better spent in areas that might be in greater need of more immediate financial support. However, the fact of the matter is [...] The post 12 Things Developed By NASA That Improved Your Life appeared first on Goliath.

How Liquid Motion Lamps Work

home.howstuffworks.com/lava-lamp.htm

The liquid motion lamp has been a pop-culture icon since the 1960s. Learn about the history of liquid motion lamps and see a video explaining their composition.

Why do some dump trucks have extra moveable axles?

auto.howstuffworks.com/question26.htm

I see many dump trucks with wheels on two rear axles on the ground and a third axle with elevated wheels that can be lowered. These seem to be used when the truck is full -- but why include what must be expensive hardware to raise and lower the wheels? Why not just keep them down at all times?

2431 - 2440