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.
Why do people sing in the shower?
10 Bizarre Treatments Doctors Used to Think Were Legit
Ancient Egyptian Pregnancy Test Survived Millennia Because It Worked
Can You Crack This Nuts Quiz?
The Science Behind Your Cat's Catnip Craze
Corpse Flower: When Nature Deceives
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?
Who’s Your Daddy? The History of Paternity Testing
What are the likely outcomes of mankind's new knowledge of the human genome?
Genetics at Work Pictures
Differences Between Pet Training and Animal Conditioning
What Is Shadow Work and How Does It, Well, Work?
Why can't we remember being babies?
Learn More / Page 16
How do we consider a Thing with no edge? Ecosystem ecologists are always trying.
No life, except possibly very small bacteria, would exist on Earth without photosynthesis.
Emotionally sensitive people sometimes get a bad rap from others. But being an empath can be a gift, as long as you take care of it. So how do you know if you're one?
By Alia Hoyt
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Chloroplasts are where some of the most miraculous chemistry on Earth goes down.
You probably feel like you have very little in common with that banana lying on your kitchen counter. But science says you do! So, how is this possible? And is that stat accurate? We talk to the scientist who did the research.
By Alia Hoyt
On Johns Island, South Carolina, stands an oak tree so big and beautiful that people come just to stand under its branches and feel the magic.
We all know what it feels like to be burned out. But does that really mean that our brain is tired? And is it the same as when other muscles tire out?
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We make a big deal about modern humans being smarter than Neanderthals, but, really, are we?
Found along beaches and in the mangrove swamps of tropical climates, the fruit of the manchineel tree was called the 'little apple of death' by Spanish conquistadors.
By Katie Carman
Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms — and they are the only two kinds of cells in the world.
Most people throughout the world are right-handed. So can they teach themselves to use their left hands, too and become ambidextrous?
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Commensalism is a form of cooperation among species in which one species benefits from another without the first one suffering any harm from the relationship.
The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts — the rough endoplasmic reticulum and the smooth endoplasmic reticulum.
It's one of those words that might remind you of certain gender-bending musicians from the '80s, but what does it mean today?
The Kobayashi Maru simulation puts future Starfleet commanders in a classic "no-win" scenario. It's so accurate, even the U.S. military uses the exercise to test the measure of a good leader.
By Mark Mancini
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Whether you're a procrastinator or a workaholic, you can improve your time management. How? With a timer, scheduled breaks and some serious discipline.
Phrenology, the belief that you could determine personality from the shape of someone's skull, was so popular in the Victorian era that phrenology parlors sprang up all over Europe and America. But the trend was soon debunked.
Heuristics are rule-of-thumb strategies that help us shorten decision-making time and solve problems quickly and effortlessly.
Centrioles are spindles that create the pathways for chromosomes to follow during cell division.
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What are the chances there are still large, undiscovered animals on the planet? More likely than you might think.
By Diana Brown
Do we have a tendency to walk clockwise around the block? Why do sports favor counterclockwise rotation? Does it have anything to do with handedness or driving habits?
An extensive study looks at personal space in 42 countries, and how weather affects preferences.
The mass of microorganisms swarming inside your favorite elite athlete's body may be a great business opportunity.
By Amanda Onion
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At least two commercial DNA testing services offer users information on heritage coming from coupling between ancient humans and other species.
Although left-handed people were thought to be "sinister" or "unnatural" in previous eras, we now know that left-handedness is natural for 10 percent of the population. And it can have some advantages over right-handedness too.
By Alia Hoyt