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
Howstuffworks Interviews: Extinction Level Events with Annalee Newitz
What will the Earth look like in 50,000 years?
How did language evolve?
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 5
What does it take to be considered a genius? Were the Mozarts and Monets of the world born with it? Or did their environment shape who they became?
When the traffic lights are functioning, drivers (usually) behave. Break a light, and everything comes to a standstill. Within our bodies, we could liken that broken traffic light to a DNA mutation - one that has the potential to mess up our body's everyday operations.
Are looking for ways of raising your self-esteem? Check out what we have uncovered for elevating your self-esteem in this article.
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Aristotle defined hate as a dislike so intense that whoever feels it wants to cause another person real harm. What is going on in our brains when we hate? And can hate ever be a good thing?
Urushiol is the active chemical in poison ivy. Learn more about urushiol and how to properly remove poison ivy.
Many people think of cinnamon simply as a condiment that makes sweet treats taste even better, but the spice has had many, diverse uses over time. Could it have some medicinal properties, too?
By Diana Bocco
The Galapagos Islands may have played a grand role in Darwin's theory of evolution, but they're notable for more than their finches. What strange species populate these remote islands?
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Once scientists discovered that some members of the great ape family could recognize their reflections in mirrors, academics began to wonder whether these animals were actually conscious of themselves. That debate continues today.
Phone calls, e-mails, sign language, friendly shouts -- this is how we communicate in our daily lives. Bacteria, some of the tiniest organisms on Earth, have a different way of talking.
For something too small to be detected by an ordinary microscope, viruses pack a big punch. We all know they can wreak havoc on the body, but how do they do it?
We'd like to think we're pretty clever, but when you correct for body mass, dolphin brains aren't far off from our own. What cognitive skills do dolphins possess, and could they really be our intellectual equals?
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Computers can handle far more calculations per second than the human brain, and can store and retrieve information very reliably. Should we be jealous of these hunks of silicon and metal on our desks?
Cell suicide sounds unpleasant, but this programmed cell death is the reason your fingers and toes are no longer webbed. What's the story behind apoptosis, and what does it have to do with curing disease?
Everyone knows that humans require food, water and shelter, but what about knowledge? It turns out that we have an innate, unquenchable need to seek out new things and new stimuli. Aren't you curious?
By Josh Clark
We've been raised with the belief that death is inevitable, so we must consider the legacy of what we'll leave behind. But what if you had unlimited time to pursue your life's work? What if you didn't have to die?
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You stub your toe, and it begins to throb almost immediately. You wince as the pain takes hold for a moment and you can't concentrate on anything else. But is some pain just in your head?
It doesn't exactly seem like something the human body would do, let a large portion of itself go to complete waste. Is it true that most of your brain is on permanent hiatus?
Three weeks of hard work. Is that all it takes to kick your smoking habit, taste for junk food or serial inability to stop hitting the snooze button? Sounds almost too good to be true, doesn't it?
By Julia Layton
How can something as delicate and delicious as a cranberry thrive in something as filthy as a bog? Blame it on the durability of this most unusual and hardy plant.
By Russel Avery
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You've heard it on the lips of every newscaster and seen it in the pages of every newspaper and Web site: swine flu. Just how worried should we be about the 2009 version of the H1N1 virus?
Given the choice, would you rather have been born with a different eye color, hair color or skin tone? Of course, you didn't have these options, but could you have them for your own children?
By Kevin Bonsor & Julia Layton
Every animal you can think of -- mammals, birds, reptiles, fish, amphibians -- all have brains. But the human brain is unique. It gives us the power to think, plan, speak and imagine.
While most psychologists believe that brainwashing is possible under the right conditions, some see it as improbable or at least as a less severe form of influence than the media portrays it to be. So how does someone get brainwashed?
By Julia Layton & Alia Hoyt
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Stress is just around every corner for most of us these days. Reducing it requires you to learn the various types of stress, their different causes and how to deal with them.
How can the grass on the greens at a golf course be so perfect? What are they doing that's different from a normal lawn? Could my lawn look like this?