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10 Things You Can Do to Help Save Earth
science.howstuffworks.com/environmental/green-science/save-earth-top-ten.htm
Climate change is the defining issue of our time, and we are at a defining moment of history. What can you do to make a difference? We've got 10 tips for you.
How Two-stroke Engines Work
science.howstuffworks.com/transport/engines-equipment/two-stroke.htm
A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke.
How the Best Public Transportation Benefits Cities and Residents
auto.howstuffworks.com/tech-transport/public-transportation-benefits.htm
A 2019 study evaluated public transportation in 100 U.S. cities, ranking them best to worst. HowStuffWorks explores the results and how we can benefit.
Snake Plant: A Great Plant for People Who Aren't Great With Plants
science.howstuffworks.com/life/botany/snake-plant.htm
Snake plants are attractive and virtually ironclad houseplants, almost impossible to kill, though some of the hype about them acting as air purifying filters has been overblown.
The Breatharian Lifestyle: Can Humans Survive on Air Alone?
science.howstuffworks.com/innovation/edible-innovations/breatharian.htm
Breatharians believe they can live only on the energy from sunlight, and do not need nourishment from food. Read all about the practice of Breatharianism.
Top 6 Innovations in Solar Power
science.howstuffworks.com/environmental/energy/6-innovations-solar-power.htm
Our energy systems are in need of a serious tuneup, for a number of reasons. Keep reading to learn about the Top 6 Innovations in Solar Power.
What Is a Hybrid Car? Learn How Hybrid Vehicles Work
auto.howstuffworks.com/hybrid-car.htm
How does a hybrid car improve your gas mileage? And more importantly, does it pollute less just because it gets better gas mileage? Learn how hybrids work, plus get tips on how to drive a hybrid car for maximum efficiency.
Love It or Hate It: Stop-start Technology Is Here to Stay
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/stop-start-technology-is-here-to-stay.htm
Does stop-start technology really help with fuel economy? HowStuffWorks talked to experts to find out.
What If the Ozone Layer Disappeared?
science.howstuffworks.com/science-vs-myth/what-if/what-if-ozone-layer-disappeared.htm
It's a strange thing to think about, but have you ever wondered what would happen if the ozone layer suddenly wasn't there? Here's a hint: Getting a bad sunburn would be the least of your problems.
How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.