Mind & Body

An illustration of the dengue virus, which is transmitted by mosquito bites.

A Single Protein Is the Root of Dengue's Virulence

But researchers who found the culprit say it could be a clue in developing a vaccine for the mosquito-borne virus

Taste science ftw.

New Research

Winning Really Does Taste Sweet, Because Emotions Change Taste Perception

A study of hockey fans sampling ice cream may offer clues to the origins of emotional eating disorders

How does skin heal? You'll never look at a scab the same way again.

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Ask Smithsonian: How Does Skin Heal?

The skin is an organ system that is unique to each individual, so not everyone heals the same way

Sure, it looks cute now, but a new study explores why babies influence their moms' DNA for years.

New Research

Baby’s Cells Can Manipulate Mom’s Body for Decades

An evolutionary approach may help scientists understand why mothers become genetic chimeras and how that affects their health

Fast Forward

A Mouthguard That Could Measure Concussions

Professional football, rugby, and other contact sports could benefit from it

Head lice crawl across a nit comb and into your nightmares.

New Research

Lice That Can Resist Drugs Have Infested Half the States in the U.S.

Mutated pests that can survive common drugstore treatments have been found in at least 25 states so far

Sweetgrass, a possible anti-mosquito agent.

New Research

This Sweet-Smelling Herb Can Ward Away Mosquitoes

Traditionally used by some Native American peoples, sweetgrass contains chemicals known to repel pesky bugs

Yeast, a multipurpose microbe.

Innovative Spirit Health Care

A Genetically Modified Yeast Turns Sugar Into Painkillers

Stanford scientists have engineered a strain of yeast that can produce opiates on its own

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Ask Smithsonian: Why Do We Get Prune Fingers?

Some researchers say that, like tire treads, our fingers and toes could get better traction in wet conditions

Coming to grips with our moral code.

New Research

How Time, Space and Authority Figures Influence Your Moral Judgment

A study of how people respond to outrageous acts suggests that our sense of crime and punishment is surprisingly flexible

Curly or straight, hairstyles are "a personal expression of beauty."

New Research

Curly Hair Science Is Revealing How Different Locks React to Heat

A mechanical engineer tackles the understudied problem of how to style curls without frying hair

Broccoli is a common foe of finicky young eaters.

New Research

Young Picky Eaters May Be More Anxious and Depressed

Picky eating in kids is common but not always harmless—it may be a sign of longer-lasting psychological problems

How much do you know about your kidneys?

Top Five Myths About Human Kidneys

From limiting alcohol consumption to detoxing, many misconceptions circulate about how to keep your kidneys healthy

The small, bright yellow dots are lipid cells within subcutaneous fat tissue, which can be used as natural lasers.

New Research

Living Cells Armed With Tiny Lasers May Help Fight Disease

The biological light sources may one day help researchers see deeper into the body's microscopic workings

Even if they make a list, neurotic people may need to check it twice.

New Research

Being Neurotic Makes It Harder for You to Remember Things

Brain scans suggest that certain personality types are wired to have better memories

A veteran visits the Vietnam War Memorial in Washington, D.C. in 1988.

New Research

Over a Quarter-Million Vietnam War Veterans Still Have PTSD

Forty years after the war's end, twice as many vets with combat-related PTSD are getting worse as those who are improving

Scientists Connect Monkey Brains and Boost Their Thinking Power

Researchers at Duke University have enhanced the mind power of monkeys and rats by linking their brains together

Brain-to-brain interfaces may soon be a therapeutic technique.

New Research

Linking Multiple Minds Could Help Damaged Brains Heal

Monkeys and rats hooked up as "brainets" may lead to innovative treatments for Parkinson's, paralysis and more

An illustration shows the process of cell division, which involves chromosome pairs swapping some of their genetic data.

New Research

Human Sex Chromosomes Are Sloppy DNA Swappers

The genetic bundles that code for males and females can get a little messy when they trade pieces during cell division

Ask Smithsonian

Ask Smithsonian: What Makes Us a Righty or a Lefty?

Scientists are interested in studying why some of us are non-right-handers because it might offer insight into how the brain develops

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