Mind & Body

Much like bats and dolphins, some people have developed the ability to analyze bouncing sound waves to generate a picture of their environment.

How Human Echolocation Allows People to See Without Using Their Eyes

Mimicking bats and dolphins, some people have developed the ability to analyze bouncing sound waves to generate a picture of their environment

Optical art

These Patterns Move, But It’s All an Illusion

What happens when your eyes and brain don't agree?

About the only use modern humans have for their urine is in health screenings. But preindustrial workers built entire industries based on the scientific properties of pee.

From Gunpowder to Teeth Whitener: The Science Behind Historic Uses of Urine

Preindustrial workers built huge industries based on the liquid's cleaning power and corrosiveness--and the staler the pee, the better

New research with rats indicates that mental activity can continue for 30 seconds after the heart stops beating—perhaps explaining out-of-body experiences.

A Last-Second Surge of Brain Activity Could Explain Near-Death Experiences

Near-death sightings of light at the end of a tunnel may be related to the 30 seconds of activity in rats' brains after their hearts stop

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Science Can Help Us Live Longer, But How Long Is Too Long?

Will 100 become the new 60? And do we really want that to happen?

Regular caffeine use alters your brain’s chemical makeup, leading to fatigue, headaches and nausea if you try to quit.

This Is How Your Brain Becomes Addicted to Caffeine

Regular ingestion of the drug alters your brain's chemical makeup, leading to fatigue, headaches and nausea if you try to quit

Researchers recently pinpointed the molecule responsible for the searing pain of a sunburn—and may have found a new way of eliminating it entirely.

Did Scientists Just Discover a Cure for Sunburn Pain?

Researchers pinpointed the molecule responsible for the searing pain of a burn, and may have found a new way of eliminating it entirely

Getting away from artificial light and basking in sunlight can reset your internal clock, new research shows.

A Week of Camping Can Turn You Into a Morning Person

Getting away from artificial light and basking in sunlight can reset your internal clock, new research shows

New research suggests that an apple might be the safer choice for pregnant eating.

Could Over-Snacking While Pregnant Predispose Children to Be Obese?

Women who constantly binge on junk food while pregnant might pass their penchant for sweet and fatty food on to their children, a new study suggests

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Nobel Prize Winners Are Put to the Task of Drawing Their Discoveries

Volker Steger photographs Nobel laureates posing with sketches of their breakthrough findings

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The Macabre Beauty of Medical Photographs

An artist-scientist duo shares nearly 100 images of modern art with a ghastly twist—they're all close-ups of human diseases and other ailments

Kalelicious Smoothie Pops: A big hit at the Fancy Food Show

Food Science Brings Us Kale on a Stick and Twinkies That Last Longer

With so much interest in what's in our meals, food innovators are focusing on making the healthy palatable.

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Ask Smithsonian 2017

Wait, Have I Been Here Before? The Curious Case of Déjà Vu

Although the strange sensation's cause remains unknown, scientists are searching for ways to induce that nagging feeling of familiarity

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes.

Ask Smithsonian

Why Do Mosquitoes Bite Some People More Than Others?

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes

Being a Lifelong Bookworm May Keep You Sharp in Old Age

Reading, writing and other mental exercises, if habitual from an early age, can slow down the age-related decline in mental capacity

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VIDEO: Functional Liver Tissue Can Now Be Grown From Stem Cells

By mixing different types of stem cells in petri dishes, researchers created liver "buds" that effectively filtered blood when implanted in mice

The habitual use of antibiotics at industrial farming operations to promote growth can lead to the development of bacteria resistant to the drugs.

Factory Farms May Be Ground-Zero For Drug Resistant Staph Bacteria

Staph microbes with resistance to common treatments are much more common in industrial farms than antibiotic-free operations

How do we resist when burgers and bacon beckon?

Can We Be Tricked into Not Eating So Much?

Just posting calorie counts isn't very effective. What may work, though, is framing overeating in terms everyone understands

Researchers don't have to turn back the clock with this new stem cell breakthrough.

Cracking the Code of the Human Genome

The Rise of the Multi-Talented Adult Stem Cell

A new type of cell could lead to dramatic cures—and avoid ethical controversy

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Why Do We Yawn and Why Is It Contagious?

Pinpointing exactly why we yawn is a tough task, but the latest research suggests that our sleepy sighs help to regulate the temperature of our brains

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