Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Science / Mind & Body

A Romanian Scientist Claims to Have Developed Artificial Blood

A true blood substitute can be a major breakthrough that can save lives. Testing out a batch, however, can be a problem

None

Why the Oral Contraceptive Is Just Known as “The Pill”

A new birth control method gave women unprecedented power and revolutionized daily life

None

Watch a Tick Burrowing Into Skin in Microscopic Detail

Their highly specialized biting technique allows ticks to pierce skin with tiny harpoons and suck blood for days at a time

Superbugs are making public health experts very nervous.

What Will It Take to Wipe Out Superbugs?

Scientists are taking all kinds of approaches to try to stop the ominous threat from bacteria antibiotics can no longer kill

Everyone has a unique “fingerprint” of oral bacteria species, and new research shows that it correlates with genetic and ethnic factors.

Your Ethnicity Determines the Species of Bacteria That Live in Your Mouth

Everyone has a unique “fingerprint” of oral bacteria species, and new research shows that, in isolation, it can be used to predict your ethnicity

Scientists have identified a milk protein called Tenascin C that binds to HIV (the virus is shown here in green) and prevents it from injecting its DNA into human immune system cells (shown in purple, with pseudopodia in pink).

Discovered: A Natural Protein in Breast Milk That Fights HIV

Scientists have identified a milk protein called Tenascin C that binds to HIV and prevents it from injecting its DNA into human cells

The Perfect Way to Ripen Fruit and Other Ingenious Inventions Recognized by the Dyson Awards

Entries into the annual inventors competition include an Iron Man-inspired suit and a printer that fits in your bag

This “Death Watch” Allegedly Counts Down the Last Seconds of Your Life

A watch that predicts when its wearer will expire is proving popular with the masses. But why?

By altering levels of the naturally-occurring chemical kynurenic acid in the brain, scientists made marijuana’s active ingredient THC less pleasurable, leading monkeys to voluntarily consume 80 percent less of it.

Is This Chemical a Cure For Marijuana Addiction?

By altering levels of kynurenic acid in the brain, scientists made marijuana less pleasurable, leading monkeys to voluntarily consume 80 percent less of it

A new focus of hospitals is keeping you from ending up here.

How Hospitals are Trying to Keep You Out of the Hospital

With a big boost from supercomputers, hospitals are shifting more of their focus to identifying people who need their help staying healthy

Blizzident is similar to a mouth-guard, but it is lined with rows of bristles.

Checking the Claim: A 3-D Printed Toothbrush That Cleans Your Mouth in Six Seconds

A startup has developed a custom-fit tool that can brush the entire surface of your teeth all at once

Artist Nickolay Lamm’s depiction of a polar-grizzly hybrid

What Would a Cross Between a Polar Bear and a Grizzly Really Look Like?

As climate changes and Arctic sea ice melts, species shift habitats and may interbreed. Lamm digitally manipulates photographs to imagine these hybrids

Research in mice shows that heavy drinking triggers cellular changes that interfere with bone formation.

Why Binge Drinking Makes You More Likely to Break Your Bones

Research in mice shows that heavy drinking triggers cellular changes that interfere with bone formation

What is appropriate Google Glass behavior?

Will Google Glass Make Us Better People? Or Just Creepy?

Some think wearable tech is just the thing to help us break bad habits, others that it will let us invade privacy like never before

The computing power of an infant's brain still astounds.

Sleeping Babies Can Sense When Mommy and Daddy Are Fighting

The infant brain is even more impressionable than previously thought

These Tattoos Honor Lost, Not-So-Loved Species

To overcome how people tend to care only about cute endangered animals, Samantha Dempsey designed and distributed temporary tattoos of ugly extinct species

School girls line up to receive vaccinations between classes.

How Humankind Got Ahead of Infectious Disease

With polio on the verge of eradication, a career immunologist explains the medical marvel of vaccination and the pioneers who made it possible

Oceanographer Gareth Lawson, who studies pteropods, was able to identify Kavanagh’s sculptures to species, such as this Limacina helicina.

The Gorgeous Shapes of Sea Butterflies

Cornelia Kavanagh’s sculptures magnify tiny sea butterflies—ocean acidification’s unlikely mascots—hundreds of times

Eating Breakfast Probably Won’t Help You Lose Weight

As much as researchers themselves want to believe that breakfast helps people lose weight or keep it off, the evidence is far from conclusive

President Barack Obama is left-handed, as well as at least six former presidents.

Ask Smithsonian 2017

Why Are Some People Left-Handed?

Being a righty or a lefty could be linked to variations in a network of genes that influence right or left asymmetries in the body and brain

Page 31 of 48