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What's the Earth's biggest threat to biodiversity?
science.howstuffworks.com/environmental/conservation/issues/biggest-threat-to-biodiversity.htm
The biggest threat to biodiversity on Earth is explained in this article from HowStuffWorks. Learn about the biggest threat to biodiversity.
What's the Fascination With Number 23?
science.howstuffworks.com/science-vs-myth/everyday-myths/whats-fascination-with-number-23.htm
From plane crashes and deaths to sports superstitions and hexagrams, many people believe that the number 23 possesses magical properties.
What's the Longest Suspension Bridge in the World?
science.howstuffworks.com/engineering/structural/world-longest-suspension-bridge.htm
Until 2022, the longest suspension bridge in the world was in Japan. Now, the 1915 Canakkale Bridge in Türkiye has taken the title
What's the Malthusian premise?
science.howstuffworks.com/life/evolution/malthusian-premise.htm
The Malthusian premise centers on the issue of whether or not there will be enough food to sustain human life. Learn about the Malthusian premise.
What's the World's Tallest Building?
science.howstuffworks.com/engineering/structural/tallest-building-in-the-world.htm
In the last few decades, there's been a sort of arms race to build ever-taller skyscrapers. Which seven currently rank as the world's tallest buildings?
What's the Zone of Silence?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/zone-silence.htm
The Zone of Silence is Mexico's own Bermuda Triangle, a place where radio signals don't work and an alien might just turn up. But what is the real story behind it?
What's the cheapest new energy alternative?
science.howstuffworks.com/environmental/energy/cheap-new-energy-alternative.htm
America, and really the entire world as a whole, runs on fossil fuels like gasoline and coal. But it's no secret that these resources can't last forever.
What's the difference between a semi-automatic weapon and a machine gun?
science.howstuffworks.com/semi-automatic-weapon-vs-machine-gun.htm
The term "semi-automatic weapon" is used in the U.S. media often. But what does it really mean? Is it just another term for a machine gun?
What's the difference between archaeology and grave robbing?
science.howstuffworks.com/environmental/earth/archaeology/archaeology-grave-robbing.htm
Archaeology and grave robbing can sometimes be confused with each other. Learn about archaeology and grave robbing in this article.
What's the difference between backscatter machines and millimeter wave scanners?
science.howstuffworks.com/backscatter-machines-vs-millimeter-wave-scanners.htm
Nope, these advanced imaging technologies are not the same. So whether you're concerned about privacy, safety or time as you're shuffling through the airport security line, we can tell you how these two types of scanners stack up against each other.