Life Science
From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.
Biotic Factors vs. Abiotic Factors: Examples and Dependencies
Meet the Largest Living Organism, aka the Humongous Fungus
Ascaris Lumbricoides: The Stomach Worm Nobody Wants
Indica vs. Sativa: How to Distinguish Between Cannabis Plants
Can You Crack This Nuts Quiz?
The Science Behind Your Cat's Catnip Craze
Hypertonic vs. Hypotonic Solutions: Differences and Uses
Your Phone Is a Germ Factory, So Stop Taking It to the Toilet
Why Even Identical Twins Have Different Fingerprints
Neanderthal vs. Homo Sapien: Separate Species With Different Fates
Howstuffworks Interviews: Extinction Level Events with Annalee Newitz
What will the Earth look like in 50,000 years?
The Most Common Hair Color Isn't Blonde
What Is the Most Common Eye Color? Over 70% of People Have It
Reading a Codon Chart and Identifying Amino Acids
Call of the Void: A Counterintuitive Form of Self-preservation
9 Most Common Phobias (and How To Conquer Them)
North Node Retrograde: What It Means for Your Spiritual Path
Learn More / Page 17
ASMR has become a pop phenomenon and scientists are trying to figure out why some people love those tingling-inducing videos and others can't stand them.
For years, speculation has surrounded the government's high security animal disease research center, which is slated to close in 2023.
Amanita phalloides is non-native to the North American continent, introduced to California from Europe, and rapidly spreading.
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Researchers from Penn State University College of Medicine suggest that a shared circuit in the brain could be one reason why heavy drinking and high-fat 'junk food' cravings go hand in hand.
Australia's western coast boasts such pink wonders. But what gives these lakes their pink hue?
Does everyone have a double out there somewhere that they don't know about? Science says the odds are pretty slim.
By Alia Hoyt
It's easy to equate Caucasian with white. But the word Caucasian touches on issues deeper than skin color. HowStuffWorks looks at its true meaning.
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While researchers can't say from this small study whether hairy men are inherently germier than the rest of the human race, the results are startling.
Ever had a "woulda, shoulda, coulda" feeling about something? It's called regret. What really triggers this emotion - and can we trust it?
By Dave Roos
Horseshoe crabs have blue blood that can detect toxins, a rare ability that's threatening their survival.
By Loraine Fick
It's not just your imagination - people feel freer to bail out on others at the last minute than they used to. But why?
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Scientists have found that ancient fossilized chlorophyll was dark red and purple in its concentrated form, which means that when diluted by water or soil, it would have lent a pink cast to earth and sea.
Is your first memory of lying in a crib? You may want to revisit that. A new large study found that nearly 40 percent of participants had a first memory that was improbably early.
By Alia Hoyt
What happens when twins are reunited decades later? And how in the world can you explain separated twins giving their firstborn son or their family dog the same exact name?
By John Donovan
Roller coaster junkies rejoice: Riding these coasters could be a safe way to deal with your addiction to endorphins.
By Alia Hoyt
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A strange, but surprisingly accurate, ancient Egyptian pregnancy test survived for millennia and was spread around Africa and Europe because it was just that effective.
The noises that others make - be it walking, chewing or breathing heavily - are very noticeable to us. Yet we seldom hear it in ourselves. Why is that?
By Alia Hoyt
New research shows that homo sapiens weren't the first folks to decorate their caves with artwork. Neanderthals actually did it thousands of years earlier.
By Alia Hoyt
The same characteristics that help turn songs into earworms also help our brains store important bits of information. Why does the human brain love mad rhymes?
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Thinking allows us to solve problems, plan ahead and defend ourselves from outside threats. It's what separates us from "lower" life-forms like plants, right? Well, maybe not.
Though they may be stuck in one place, plants have proven to possess a surprising array of capabilities. But the ability to feel pain? Scientists are learning that the possibility isn't as crazy as it sounds.
Were hobbits and giants real? And are they distant relatives of humans?
By Diana Brown
An interesting defense mechanism recently observed in tomato plants has caterpillars turning on themselves rather than remaining vegetarian.
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It happens to politicians, beauty queens and regular folks. Brain farts, that is. But, why?
By John Donovan
There are a lot of ways mental real estate can be allocated. Neanderthals evolved their big brains in a different way than we did - and you see where that got them.