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How Coronavirus Has Helped to Clear the Air
science.howstuffworks.com/environmental/green-science/coronavirus-improved-air-quality.htm
Satellite data shows just how much air quality has improved during the coronavirus crisis, from China, India, Italy and beyond.
How the Cowboy Saddled Up and Rode Into American History
history.howstuffworks.com/american-history/cowboys.htm
Many think of cowboys as part of the American fabric. And they are. But cowboys aren't an American phenomenon and they certainly didn't get their start in the U.S.
What's the Difference Between Pyrite and Gold?
science.howstuffworks.com/pyrite.htm
Don't know your fool's gold from the real deal? We'll tell you how to tell what's pyrite (aka fool's gold) and the good ol' 24 karat stuff you want.
The Greyhound-like Borzoi Can Take Down a Wolf. What Can Your Dog Do?
animals.howstuffworks.com/pets/borzoi.htm
A popular companion dog for European royalty for centuries, this elegant breed is still sought after worldwide, though somewhat difficult to find in the U.S.
Göbekli Tepe: The Temple That Hints at What Humans Were Up to 11,000 Years Ago
history.howstuffworks.com/european-history/gobekli-tepe.htm
Göbekli Tepe is thought to be a possible archaeological bridge between nomadic hunter-gatherer societies and stable, settled agricultural communities that built temples and produced art.
From Plant Pots to Ancient Armies, Terracotta Is Universal
home.howstuffworks.com/gardening/garden-design/terracotta.htm
One of the oldest and most widely-used materials in the world, baked clay or terracotta, can be found on roofs, in museums and in gardens all over the world.
Is Vantablack Really the Blackest Black?
science.howstuffworks.com/vantablack.htm
Vantablack is one of the darkest substances known, able to absorb up to 99.965 percent of visible light. But is it the blackest of blacks on the planet?
Rare Groundcherry Could Soon Be Everywhere, Thanks to Gene Editing
science.howstuffworks.com/life/botany/rare-groundcherry-gene-editing.htm
Hundreds of crops in developing countries are relatively unknown in the developed world because they're often hard to grow or export. But scientists have found that CRISPR editing can speed up traditional plant breeding techniques.
Communicating With Aliens Is Hard. Communicating With Alien AI Could Be Harder
If you think about it, it'll likely be an alien machine that encounters our probes searching for intelligent life. How's that going to work?
A Shrewdness of Apes? Collective Nouns Are a 500-Year-Old Language Fad
people.howstuffworks.com/shrewdness-apes-collective-nouns-500-year-old-language-fad.htm
Collective nouns, or names for groups, are sometimes very strange. HowStuffWorks looks at where they came from.