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.
Central Heterochromia: When to Worry About Eye Color
10 Types of Noses to Spot in a Crowd
3 Major Types of Mushrooms: Edible, Wild and Poisonous
3 Types of Trees You'll Find All Over the Planet
A Corpse Flower Can Grow Over 12 Feet (3.7 Meters) Tall
Indica vs. Sativa: How to Distinguish Between Cannabis Plants
In Vivo vs. In Vitro Trials (and Why Combining Both Is Best)
Hypertonic vs. Hypotonic Solutions: Differences and Uses
Your Phone Is a Germ Factory, So Stop Taking It to the Toilet
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?
Is a Woolly Mammoth Clone Even Possible?
The Most Common Hair Color Isn't Blonde
What Is the Most Common Eye Color? Over 70% of People Have It
9 Types of Intelligence: The Many Ways to Expand Your Mind
Phineas Gage and the Birth of Modern Neuroscience
Call of the Void: A Counterintuitive Form of Self-preservation
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If you've ever dashed into the grocery store to pick up a tube of toothpaste, you've likely been stopped in your tracks by the sheer number of options available. So why does having more options make it so much harder to make the right choice?
By Tom Scheve
Delve into Freud's Oedipus complex, a theory suggesting children experience unconscious desires for their opposite-sex parent and rivalry with their same-sex parent.
By John Donovan
These majestic trees send their roots down in pillars from branch to ground, can form a canopy over 80 feet high and can live to be 250 years old.
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If you engage in constant self-talk, it may surprise you that some people think in pictures instead or do nothing at all. And the number of people truly having an inner monologue may not be as great as you think.
Your dreams have meaning, but dream interpretation is tough. So what does it mean when you dream about someone all the time? We talked to dream analysts who help explain.