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Your search for "portal modern history" returned 46 results
How Trains Work
science.howstuffworks.com/transport/engines-equipment/train.htm
We humans are mobile. Long before flight, FusionMan or even your average automobile arrived on the scene, trains were transporting us all over civilization. How did we get from horse-drawn carts to high-speed trains?
10 Scientific Breakthroughs We Literally Couldn't Live Without
You might argue we have scientists to thank for our own survival. What breakthroughs have kept the human race from dying out?
How the Toto Washlet Works
home.howstuffworks.com/toto-washlet.htm
The Toto Washlet, a toilet seat with a personal spray jet, is marketed as a cleaner -- and greener -- alternative to toilet paper. How does this bidet-like product work to keep you fresh?
Dream Meanings: Interpret Your Dreams & Unlock Their Secrets
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/dream-meanings.htm
Your dreams hold hidden messages. Unlock the secrets of dream symbolism and discover what your subconscious is trying to tell you.
How Paramedics Work
health.howstuffworks.com/medicine/paramedics.htm
Paramedics are trained in prehospital care and are often involved in emergency situations. Learn more about how paramedics save lives every day.
How Aboriginal Australians Work
people.howstuffworks.com/aborigine.htm
The Aboriginal people were the first people to set foot on the Australian continent around 40,000 years ago. Learn about the history of the Aboriginal people.
Why did Gandhi march 240 miles for salt?
history.howstuffworks.com/history-vs-myth/salt-march.htm
The Salt March was Gandhi's march to Dandi in protest of British tax policies. Read about the Salt Satyagraha.
What Is a Green Roof?
science.howstuffworks.com/environmental/green-science/green-rooftop.htm
A green roof is a roof that is covered in plants, which reduces stormwater run-off and lowers cooling costs. Find out how a green roof can help the environment.
How Occupant Classification Systems Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/ocs.htm
They enhance your airbag system, but few people know how occupant classification systems work. Learn how occupant classification systems work here.
How Beekeeping Works
animals.howstuffworks.com/insects/beekeeping.htm
Beekeeping is an ancient art with a fascinating history. Learn the ins and outs of beekeeping with HowStuffWorks.