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What If Humans Could Breathe Underwater?
science.howstuffworks.com/science-vs-myth/what-if/what-if-humans-could-breathe-underwater.htm
Remove that pesky drowning risk, and the world formerly under the sea opens with possibility - despite our inefficient limbs and tendency toward hypothermia.
How did dinosaurs leave tracks in solid stone?
science.howstuffworks.com/environmental/earth/geology/stone-dinosaur-track.htm
How did dinosaurs leave tracks in solid stone? They walked in soil that became sedimentary rock. Learn how did dinosaurs leave tracks in solid stone?
Are meerkats immune to poison?
animals.howstuffworks.com/mammals/meerkats-poison.htm
Meerkats immune to poison aren't rare in the Kalahari Desert -- they've evolved to resist snake and scorpion venom. Read about the meerkats immunity.
How can adding iron to the oceans slow global warming?
science.howstuffworks.com/environmental/green-science/iron-sulfate-slow-global-warming.htm
Scientists propose adding iron to the oceans to cut carbon dioxide levels and, in turn, decrease temperatures. See if adding iron to the oceans works.
5 Incredible Things You'll Learn in Third Grade
people.howstuffworks.com/5-things-you-learn-in-third-grade.htm
What will your child learn in third grade? Find out what incredible things you'll learn during the third grade school year.
How Replicants Work
entertainment.howstuffworks.com/replicant.htm
Replicants are essentially robots that are hunted in the movie 'Blade Runner.' Learn more about replicants and find out why replicants are hunted.
How the Metric System Works
science.howstuffworks.com/metric-system.htm
Ever heard of a little unit called a femtometer? Can you tell us how much you weigh -- in petagrams? We know you can't, so hurry up and start reading. We have work to do.
Let's Go to the 1893 World's Fair, Without a Time Machine
history.howstuffworks.com/historical-events/virtual-reality-1893-worlds-fair.htm
You can visit the 1893 World's Fair, with some help from virtual reality. Learn about how virtual reality is changing history at HowStuffWorks Now.
How Earthquake-resistant Buildings Work
science.howstuffworks.com/engineering/structural/earthquake-resistant-buildings.htm
Sometimes it seems as though Earth has been hitting the caffeine a little too hard, with all the shakes from earthquakes. So, how do structures stand strong amid all those quakes?
Metallurgy: The Study of Metals and Their Properties
science.howstuffworks.com/metallurgy.htm
Metallurgy involves studying how metals behave and using that understanding to manipulate and shape them into various forms.