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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.
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How Photosynthesis Captures Light and Powers Life on Earth
No life, except possibly very small bacteria, would exist on Earth without photosynthesis.
Every Single Living Thing Is Part of an Ecosystem. Here's How They Work
How do we consider a Thing with no edge? Ecosystem ecologists are always trying.
Can a Genetic Test Tell that You'll Prefer Chocolate Ice Cream?
DNA websites can give you info about your ancestry and possible health issues. They can also give you trait reports about taste preferences and personal habits. But how much of that is really DNA-driven?
The Fungi Amongi Are the Great Decomposers
Yep, fungi are all around us — in the grocery store, in the woods or living on your discolored toenail. And fungi can break down almost anything.
The Big, Bad Brain Quiz
For what looks like a big old lump of putty, the human brain is a truly incredible thing. Think of it as the body's Mission Control Center. Find out how much of a brainiac you are with our quiz.
How Free Radicals Affect Your Body
When an electron loses its partner, it creates a free radical. So is that free radical now potentially hazardous to your health?
The Mighty Banyan Tree Can 'Walk' and Live for Centuries
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.
6 Common Hallucinations and What They Tell Us
People who hallucinate typically see, hear, feel, smell or otherwise experience things that simply aren't real. Often, these sensory fake-outs indicate a serious medical condition.
Freud and Oedipus: Does Either Still Matter?
Many of Sigmund Freud's well-known theories have been discredited by modern psychiatry. Does that include the Oedipus complex?
Why Don't You Ever See Square Vegetables?
At least not in nature. Scientists have discovered the two gene families that play key roles in making fruits and vegetables either round or long. Could a square fruit be on the horizon?
Here's How Plant and Animal Cells Are Different
While plant and animal cells are strikingly similar, the main difference between them is that plant cells are able to create their own food and animal cells cannot.
There Is an Easy Way to Understand Mitosis and Meiosis
Cell division can be confusing, but it's not as difficult if you pretend chromosomes are sentences.
What's the Difference Between Race and Ethnicity?
Humans are a diverse lot. We can look distinctively different. But is that because of race or ethnicity?
Why Do Most Humans Have 23 Pairs of Chromosomes?
Nearly every living cell is made of DNA, and every chromosome contains exactly one molecule of DNA. But not all cells are made of the same number of chromosomes.
Who’s Your Daddy? The History of Paternity Testing
Before the widespread use of DNA, establishing the paternity of a child was a tricky business. Ever heard of the oscillophore?
Iterative Evolution: Did the Aldabra Rail Evolve Twice?
The flightless Aldabra rail lives exclusively on the Aldabra Atoll in Madagascar. But it appears to have descended from birds that soar.
Can Science Explain Why We Kiss With Our Eyes Closed?
Maybe. A study that wasn't even about kissing turned out to (sort of) give the answer.
How to Treat Poison Sumac
Poison sumac is even more toxic than its cousins, poison ivy and poison oak, in its ability to cause allergic reactions and respiratory problems.
Are We Entering the Sixth Major Extinction on Earth?
A new global report says 1 million species are at risk of extinction — the greatest number in human history.
Men's Beards Carry More Bacteria Than Dogs' Fur, Study Suggests
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.
What Does 'Caucasian' Really Mean?
It's easy to equate "Caucasian" with "white." But that one word — Caucasian — touches on issues much deeper than skin color.
Do You Have a Doppelganger? There's a 1 in a Trillion Chance
Does everyone have a double out there somewhere that they don't know about? Science says the odds are pretty slim.
Why Are Australia's Pink Lakes Pink?
This stunning sight is totally natural and totally cool.
Study Solves Why Drinking Gives You the Munchies
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.
Poisonous Death Cap Mushroom Spreads Over North America
Amanita phalloides is non-native to the North American continent, introduced to California from Europe, and rapidly spreading.
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