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Science / Mind & Body

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

An Anopholes mosquito, the vector for malaria, taking a blood meal from a tasty human.

New Research

Mosquitoes Can Carry, and Deliver, a Double Dose of Malaria

Insects that are already carrying one strain are more likely to pick up a second infection and harbor higher numbers of parasites

Roses mark a window filled with bullet holes after a shooting spree in Denmark.

New Research

Shootings and Mass Murders Seem to Be Contagious

Data spanning decades shows how high-profile events can cause outbreaks of similar killings that mirror the spread of disease

The U.S. Supreme Court voted 5-4 to legalize marriage equality nationwide on June 26.

Can Science Help People Unlearn Their Unconscious Biases?

Social events, sleep training and even meditation may offer ways for people to erase biases they probably didn’t know they held

For the first time, Florian Engert and his team mapped every firing neuron in a living animal.

How a Transparent Fish May Help Decode the Brain

An outspoken Harvard neuroscientist is tackling the wondrous challenge of understanding the workings of the brain

Skin bacteria may have lured in this hungry Aedes aegypti mosquito.

New Research

To Stop Mosquito Bites, Silence Your Skin’s Bacteria

Texas scientists tricked mosquitoes into skipping a blood meal by modifying the way bacteria talk to each other

People Get Seasonal Depression in the Summer, Too

Millions suffer from SAD in summer as well as winter, and evidence hints that birth season plays a role in who develops the disorder

New Research

Kangaroos Are Lefties, and That Can Teach Us About Human Handedness

The discovery strengthens the case that upright posture drove the evolution of dominant hands in humans

Eight New Things Science Says About Being a Dad

They’re still not very good at cooing to toddlers, and their testosterone levels start to drop even before a baby is born

A ward in Carver Hospital in Washington, D.C., during the Civil War. One key innovation during this period was the division of hospitals into wards based on disease.

Six Ways the Civil War Changed American Medicine

150 years ago, the historic conflict forced doctors to get creative and to reframe the way they thought about medicine

A village nestled inside the Brazilian Amazon.

Anthropocene

Protecting Land in Brazil Reduces Malaria and Other Diseases

Areas under strict protection see the most benefit in shielding people from illness and infection

A prison cemetery in Huntsville, Texas, where many executed inmates have been buried.

Support for the Death Penalty May Be Linked to Belief in Pure Evil

People who think evil exists in the world are more likely to demonize criminals, regardless of their character traits

The rolled electronic mesh is injected through a glass needle into a water-based solution.

New Research

A Flexible Circuit Has Been Injected Into Living Brains

Tested on mice, the rolled mesh fits inside a syringe and unfurls to monitor brain activity

Ask Smithsonian 2017

Does Dieting Actually Make Your Stomach Shrink?

Not exactly, says science—stretchiness and psychology seem to play bigger roles than size in determining how much a person can eat

The nose knows.

New Research

Mouse Noses Can Bypass the Brain to Make Females Blind to Males

Hormones direct the nose to signal when potential mates are about—and when to erase their scent

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