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Could a gamma-ray burst wipe out all life on Earth?
science.howstuffworks.com/gamma-ray-burst-life-earth.htm
When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?
What are the different cavity classifications?
health.howstuffworks.com/wellness/oral-care/problems/cavity-classifications.htm
There are different cavity classifications designed to tell dentists how serious your cavity is. Learn about the different cavity classifications here.
Wood & Termite Damage
Termites may be small, but they sure are hungry -- hungry enough to eat your entire house! Here's how to spot and repair the damage they cause.
The First 'Killer Robot' Was Around Back in 1979
science.howstuffworks.com/first-killer-robot-was-around-back-in-1979.htm
With the Campaign to Stop Killer Robots heating up, we step back a few decades to look at the first human death by robot.
How a Brinicle Works
science.howstuffworks.com/environmental/earth/oceanography/underwater-brinicles.htm
Underwater icicles, also called brinicles or sea stalactites, form when super-cold brine meets normal seawater. The sub-zero phenomenon can kill some sea life.
Tips From Greg Vanvakaris, DC, CSCS
health.howstuffworks.com/wellness/diet-fitness/personal-training/tips-from-greg-vanvakaris.htm
These tips from Greg Vanvakaris will help you get into shape for good health. Learn tips from personal trainer Greg Vanvakaris at Discovery Health.
Munchkin Cats: The Wiener Dogs of the Feline World
animals.howstuffworks.com/pets/munchkin-cat.htm
Munchkin cats were officially introduced to the world in 1991, though they've been around for decades. HowStuffWorks gets to know these feline cuties.
What Is a Cosmic Cow?
science.howstuffworks.com/cosmic-cow-news.htm
Astronomers at HaleakalÄ Observatory in Hawaii noted a bright X-ray emission in 2018, which persisted for three weeks and glowed ten times more brightly than previously studied supernovas, but are just now beginning to understand it.
Liger vs. Tigon: Same Kinds of Parents, Very Different Qualities
animals.howstuffworks.com/animal-facts/liger-vs-tigon.htm
When it comes to hybrid big cats, the battle of liger vs. tigon roars louder than a lion's call across the savanna. Both are hybrid offspring of lions and tigers, two of the most powerful big cats on Earth.
How Automobile Ignition Systems Work
auto.howstuffworks.com/ignition-system.htm
The ignition system brings your car's engine and subsystems together. Learn about the parts of your ignition system and innovations in ignition systems.