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What have we learned from the Human Genome Project?
science.howstuffworks.com/life/genetic/human-genome-project-results.htm
The Human Genome Project revealed how the 3.2 billion base pairs contained in the human genome are ordered. Learn more about the Human Genome Project.
What human activities increase carbon dioxide in the atmosphere?
science.howstuffworks.com/environmental/green-science/human-activities-increase-carbon-dioxide.htm
Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas.
What if China never had a one-child policy?
science.howstuffworks.com/science-vs-myth/what-if/what-if-china-never-had-one-child-policy.htm
China's government imposed mandatory IUDs and mass sterilizations, among other measures. That's some serious micromanagement. Was it necessary to avert a population disaster?
What if Earth Lost Gravity for Five Seconds?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-lost-gravity-for-five-seconds.htm
Sans gravity, would we all just bounce up and down like astronauts on the moon? No. It would look a little more like a Michael Bay movie.
What if Earth changed its orbit?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-changed-its-orbit.htm
Our planet's path around the sun defines life on Earth. What would happen if it changed?
What if I Put Aluminum Foil in the Microwave?
science.howstuffworks.com/aluminum-foil-in-the-microwave.htm
We've all been told not to put aluminum foil in the microwave. Stories of incredible explosions and fires are usually at the center of these ominous warnings. Why is that?
What if I Were Struck by Lightning?
science.howstuffworks.com/nature/climate-weather/storms/struck-by-lightning.htm
Being struck by lighting can happen in a large number of ways with a direct strike being the worst. Find out what happens if you're struck by lightning.
What if I accidentally ended up locked in a walk-in freezer?
science.howstuffworks.com/innovation/science-questions/locked-in-freezer.htm
Being locked in a freezer like the ones found in restaurants could lead to hypothermia if you're in there too long. Learn about getting locked in a freezer.
What if I looked straight at an eclipse of the sun?
science.howstuffworks.com/looked-at-eclipse.htm
Looking at a solar eclipse without proper eye protection can cause eye damage -- even blindness. Learn how to view an eclipse safely at HowStuffWorks.
What if I shot my TV?
science.howstuffworks.com/innovation/science-questions/what-if-shoot-tv.htm
You know that bumper sticker that says "Shoot your TV"? Click here to find out what would happen if you actually tried it (it's best to let us do the dirty work).