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How could adding lime to seawater cut atmospheric CO2?
science.howstuffworks.com/environmental/green-science/lime-seawater.htm
Adding lime to seawater could increase the efficiency of the world's oceans as carbon sinks. Learn about adding lime to seawater and carbon sinks.
Can hybrid engines create more power?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-engines-more-power.htm
Can hybrid engines create more power? Find out if hybrid engines can create more power at HowStuffWorks.
How the Tiwi System Works
electronics.howstuffworks.com/gadgets/automotive/tiwi.htm
The Tiwi system is a GPS-enabled device that allows anxious parents to monitor their teens' activity as they drive around. Learn more about the Tiwi.
Where exactly do they store pets on a plane?
animals.howstuffworks.com/pets/pet-travel/store-pets-on-a-plane.htm
Traveling with pets on a plane might not be as bad as you think. Learn where airlines put pets on a plane and what your cuddly baggage's options are.
Why Is the Sky Blue?
science.howstuffworks.com/nature/climate-weather/atmospheric/sky.htm
We've all probably looked up and wondered why the sky is blue instead of, say, brown. The sky is blue because of the way Earth's atmosphere scatters light from the sun.
What will speed mean in the future?
auto.howstuffworks.com/under-the-hood/trends-innovations/speed-in-the-future.htm
Speed in the future will be realized by a varied assortment of fuels and power sources. Read about speed and the future and how it's being tested today in Utah.
African Animal Pictures
animals.howstuffworks.com/animal-facts/african-animal-pictures.htm
Many kinds of animals are native only to Africa. Check out these African animal pictures at HowStuffWorks.
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.
Which is greener, bagging your grass or leaving your clippings there?
home.howstuffworks.com/mulch-vs-bag-grass.htm
Bagging your grass is not a bright idea. All you're doing it filling landfills. Learn why bagging your grass is harmful for the environment.
What Is Pi?
science.howstuffworks.com/math-concepts/pi.htm
Whether the circle is as big as planet Mars or as small as a tennis ball, the ratio of its circumference divided by its diameter will always equal pi (3.14). But why?