Mind & Body

How sleepy you are may depend on a number of factors, including age and where in the world you live.

Smartphone Study Uncovers Why So Much of the World is Short on Sleep

Age, gender and nationality impact how much we sleep, and social pressures rob many of needed rest

10 Things Science Says About Being a Mom in 2016

For one, a nurturing mother can help her child's brain grow

Washing your hands will make them clean, but it may not get rid of the microbes that live there.

Your Skin’s Microbial Inhabitants Might Stick Around, Even If You Wash

This tiny ecosystem is surprisingly stable from months to years, study reveals

How to Plug In Your Brain

If neuroscientists are right, you’ll soon be able to sharpen your focus and boost your memory by recharging your brain—with electricity

Anthony Fauci is America's point person in confronting epidemics.

Future Is Here Festival

Anthony Fauci Is Waging War Against Zika, and Preparing for Other Epidemics to Come

The director of the National Institute of Allergy and Infectious Diseases talks about developing a Zika vaccine

Is yogurt the elixir of longevity? Not exactly.

A Science Lecture Accidentally Sparked a Global Craze for Yogurt

More than a century ago, a biologist’s remarks set people searching for yogurt as a cure for old age

Flatline on a heart monitor

The Lazarus Phenomenon, Explained: Why Sometimes, the Deceased Are Not Dead, Yet

What does CPR have to do with the curious case of clinically dead patients coming “back to life”?

What a Tiny Fish Can Tell Us About How Humans Stood Upright

What is the root of why our ancestors gained the power to walk on two feet and chimpanzees didn't?

Ask Smithsonian: Why Does My Nose Run When It’s Cold?

The nose knows that runny flows are necessary in the cold

U.S. astronaut Scott Kelly (right) and his twin brother Mark attend a press conference ahead of NASA's "Year in Space" mission at the Baikonur Cosmodrome in Kazakhstan in 2015.

A Brief History of Twin Studies

As NASA dives into the data from astronaut twins, take a look back at the famous, and infamous, results we've seen from this popular research tool

Say hello to your little friends.

New Research

Virus Genes in Human DNA May, Surprisingly, Help Us Fight Infections

Bits of ancient viral invaders woven into the human genome seem to boost our immune system

Scientists keep finding new ways the brain can be deceived.

A New Way to Trick the Brain and Beat Jet Lag

For all its complexity, the human brain is not hard to deceive. Here are four studies where scientists have learned more about duping it

Scott Kelly works on the International Space Station during a nearly eight-hour spacewalk in November 2015.

What Happens to the Human Body in Space?

Data from astronauts who spent 340 days in orbit will add to almost 55 years of research on how low gravity sends Earthlings for a loop

Mosquito Deterrents: The Good, the Bad and the Potentially Effective

With Zika and other mosquito-borne illnesses on the rise, researchers are looking for the next best way to keep the bugs from biting

Artist Gary Staab and his team spent roughly 2,000 hours over five months to create the first of three models.

Art Meets Science

An Artist Creates a Detailed Replica of Ötzi, the 5,300-Year-Old "Iceman"

Museum artist Gary Staab discusses the art and science of constructing exhibition pieces

Ask Smithsonian: Why Do We Kiss?

According to philematology, or the science for the study of kissing, romance has little to do with it

Thousands of infants born in Brazil have been reported to show signs of microcephaly, like Alice pictured here being comforted by her father.

How Can Viruses Like Zika Cause Birth Defects?

While the link between Zika and microcephaly is uncertain, similar diseases show how the virus might be affecting infants

An Indian Municipal Corporation sanitation worker fumigates as part of a drive to curb breeding sites for mosquitoes causing a dengue outbreak in New Delhi in October 2015.

Age of Humans

The World's Megacities Are Making Dengue Deadlier

Outbreaks are more common now thanks to bigger cities and more places for mosquitoes to live

Mom and baby share a lot, including their microbial ecosystems.

New Research

Does Having a C-Section Alter Baby's First Microbiome?

A study of cesarean babies swabbed with birth canal fluids suggests that some newborns may be missing out on helpful microbes

Brain Scans Could Identify Kids at Risk of Depression

Knowing who's at risk before the disease strikes could make preventative treatments possible

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