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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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Does Your Brain Get Tired Like the Rest of Your Body?

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?

Massive 'Angel Oak' Has Witnessed 500 Years of South Carolina History

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.

Do People and Bananas Really Share 50 Percent of the Same DNA?

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.

Chloroplasts Are the Plant Cells That Manufacture Energy

Chloroplasts are where some of the most miraculous chemistry on Earth goes down.

How Close Are We to Creating a Universal Blood Type?

Blood transfusions are required in the U.S. every two seconds. That's why the research from the Withers Lab, which converted Type A blood to universal donor blood using bacteria, is so groundbreaking.

Been Told You're Too Sensitive? You Might Be an Empath

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?

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.

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