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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.
What Countries Use the Imperial System?
science.howstuffworks.com/why-us-not-on-metric-system.htm
Most of the world uses the metric system for everyday measurements, but only three countries in the world use the imperial system as their official system of measurement.
Each Year Spiders Eat Millions of Tons of Food More Than Humans
animals.howstuffworks.com/arachnids/spiders-eat-millions-tons-food-more-humans-annually.htm
Spiders not only eat more meat than humans every year, they also spend a lot of time getting eaten themselves.
Sand Is in Such High Demand, People Are Stealing Tons of It
As the world becomes more urbanized, the demand for sand, a key ingredient of concrete, keeps growing. But there's only so much sand to go around.
The Great London Smog of 1952
history.howstuffworks.com/historical-events/great-london-smog-1952.htm
A smog of epic proportions enveloped London in December of 1952. HowStuffWorks takes a look at the incident and its aftermath.
10 Heaviest Objects Mankind Has Ever Moved
science.howstuffworks.com/engineering/structural/10-heaviest-objects-mankind-moved.htm
It's always been a dilemma for humans: how to move that super-heavy object to a new place. But we always seem to find a way, don't we?
Queen Elizabeth II Bans Plastic From Royal Estates
Buckingham Palace announced that Queen Elizabeth II is banning many plastics. Learn more about why the Queen is banning plastics from HowStuffWorks.
What Was the Biggest Dinosaur? Here Are the 4 Best Estimates
animals.howstuffworks.com/dinosaurs/biggest-dinosaur.htm
Determining the biggest dinosaur is a tricky process. Dinosaurs are extinct, so scientists can't simply go out and measure the world's biggest dinosaurs.
Is Glass Recycling in the U.S. Broken?
science.howstuffworks.com/environmental/green-science/glass-recycling.htm
Only 25 percent of glass containers used by U.S. consumers were recycled in 2018, the most recent year for statistics. So, why aren't Americans doing better?
Why You Should Stop Raking Fall Leaves, Stat!
home.howstuffworks.com/stop-raking-leaves.htm
Stop bagging those leaves and putting them curbside to be hauled off to the landfill. There's a better way — for your lawn and the environment.