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Portland Cement: A Concrete History With Structural Integrity
science.howstuffworks.com/innovation/inventions/portland-cement.htm
Invented in 1824, Portland cement remains prominent in modern construction. Learn about the hydraulic binder's raw materials and applications.
How Long Would You Have Survived in the Stone Age?
play.howstuffworks.com/quiz/how-long-would-you-have-survived-in-the-stone-age
Many find it challenging to imagine life without smartphones and internet access. What about a world without electricity or running water, though? Find out how long you'd survive in the Stone Age when you take the following quiz!
What is the future of communication?
electronics.howstuffworks.com/everyday-tech/future-of-communication.htm
What is the future of communication? Are the days of the cell phone numbered? Find out about new technologies and the future of communication.
The Ring of Fire Is the Pacific's Volcanic Hotspot
science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
How Diamonds Work
science.howstuffworks.com/environmental/earth/geology/diamond.htm
Diamond engagement rings. Diamond anniversary bands. Diamond earrings and necklaces. And now, the right-hand diamond ring! The four Cs -- cut, clarity, carat and color. Find out what the fuss is all about.
How Fossils Work
science.howstuffworks.com/environmental/earth/geology/fossil.htm
Fossils can tell us how life on Earth has evolved over time and also how the climate has changed. Find out what fossils are and how fossils formed.
How the African Diamond Trade Works
money.howstuffworks.com/african-diamond-trade.htm
Blood diamonds in Africa are sold illegally to fund civil wars and terrorism. Find out about blood diamonds in Africa and the African diamond trade.
How Squid Work
animals.howstuffworks.com/marine-life/squid.htm
Squid have been featured in sailing myths and legends for more than 300 years. Learn about squid, squid anatomy and find out what daily life for a squid is like.
How Cave Dwellers Work
history.howstuffworks.com/historical-figures/cave-dweller.htm
Cave dwellers are stereotyped as heavy-browed and dim-witted. But who are the real cave people? Read about cave dwellers and their subterranean lives.
How Moss Works
home.howstuffworks.com/moss.htm
Money may not grow on trees. But moss does. How does this plant manage to carpet hard surfaces like rocks and sidewalks?