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Science / Mind & Body

Ask Smithsonian: What Happens When You Get a Concussion?

It’s scary what we don’t know about the lasting effects after a knock to the noggin

Why Do Humans Have Chins?

The most distinctive human feature might be that bony protrusion that made Jay Leno famous

A person looks at profile photos on the messaging app Momo in Shanghai.

New Research

Your Online Dating Profile Picture Affects Whether People Trust You

Attractiveness is linked to trust, but the responses are very different between men and women

In a recent ad campaign, portraits of litterers made from DNA taken from tossed cigarettes, coffee cups and condoms were posted in public places around Hong Kong.

DNA Testing Could Identify Litterbugs and Dog Poop Miscreants

Anonymous crimes may not be quite so anonymous anymore

New Research

Veggie Power? Artificial Muscles Made From Blinged-Out Onions

Turning root vegetables into working muscles requires gold, electricity and imagination

A blood-sucker creeping around on a potential victim's pristine white sheets.

Cool Finds

How Our Modern Lives Became Infested With Bed Bugs

After being bitten by the tiny pests, author Brooke Borel set out to learn all she could about her blood-sucking foes

Humans traveling to Mars may need extra shielding for their brains.

New Research

A Trip to Mars Could Give You Brain Damage

Exposure to cosmic rays may cause defects that would make astronauts lose their curiosity during a mission

The Eurasian tree sparrow is one of 30 bird species in decline around Fukushima.

Birds Are in a Tailspin Four Years After Fukushima

Like the proverbial canary in a coalmine, avian abundances may paint a grim picture of the effects of nuclear disasters on wildlife

An X-ray of the knee bone.

We’re Not That Far From Being Able to Grow Human Bones in a Lab

The company EpiBone could be on the verge of a major breakthrough

Why Brain-to-Brain Communication Is No Longer Unthinkable

Exploring uncharted territory, neuroscientists are making strides with human subjects who can “talk” directly by using their minds

Human cortical neurons in the brain.

The Quest to Upload Your Mind Into the Digital Space

The idea is about as science fiction as it gets. But surprising progress in neuroscience has some entrepreneurs ready to press “send”

New Research

What Does It Feel Like to Be Invisible?

Volunteers in Sweden were tricked into thinking their bodies had vanished, and the “superpower” seemed to ease social fears

An Aedes aegypti mosquito stops for a quick bite.

New Research

Genes Make Some People More Attractive to Mosquitoes

Certain body odors appear to entice the pesky bloodsuckers—and those smells may be hereditary

A student shares a loving gaze with a Labrador retriever.

New Research

Dog Gazes Hijack the Brain’s Maternal Bonding System

When a dog looks into your eyes, it’s bonding with you in the same way babies bond with their human moms

Scientists are sharpening their focus on ways to revive a memory gone awry.

Brain Implants May Be Able to Shock Damaged Memories Back Into Shape

With funding from the Defense Department, scientists have begun work on devices that would use electric pulses to realign a memory process gone awry

New Research

Pulling Your Hair Out? It Might Just Help Reverse Baldness

Plucking hair could be a counterintuitive way to fight balding, according to a study of quorum sensing in rat follicles

Building a Bionic Pancreas

A device that tracks blood sugar and automatically administers insulin and glucagon could take some pressure off Type 1 diabetes patients and their parents

People seem to flow like river currents through the Central MTR subway station in Hong Kong.

Crowds Are Much Smarter Than We Suspected

In a new book, Michael Bond explores a growing body of research that says people in crowds exercise a collective intelligence

Surprise!

New Research

Like Tiny Scientists, Babies Learn Best By Focusing on Surprising Objects

Lab tests suggest that infants learn more about the world around them when they encounter and investigate unexpected phenomena

A digital scan of a human kidney and pelvis.

Medical Holograms Are Now Part of the Surgeon’s Toolkit

Technology hitting the market will help doctors examine heart conditions or check for colon cancer without breaking the skin

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