Mind & Body

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

Chimpanzees engage in social grooming in Gombe National Park.

New Research

Social Contact Helps Beneficial Gut Bacteria Spread

A study of chimp poop suggests that social animals share a collective microbiome that might help regulate health

A researcher examines the mummified hand of Ötzi the Iceman.

New Research

The Iceman's Stomach Bugs Offer Clues to Ancient Human Migration

DNA analysis of the mummy's pathogens may reveal when and how Ötzi's people came to the Italian Alps

In 1938, Hans Asperger, a pediatrician at the University of Vienna, described numerous children he observed as “autistic.”

The Early History of Autism in America

A surprising new historical analysis suggests that a pioneering doctor was examining people with autism before the Civil War

Seeking transparency in the scientific literature.

New Research

Biomedical Science Studies Are Shockingly Hard to Reproduce

Limited access to research details and a culture that emphasizes breakthroughs are undermining the credibility of science

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Ask Smithsonian: Why Do We Sneeze?

Whether you sneeze because of a cold, or after sex or a good meal or in sunlight, the good old Achoo is the body's way of ridding itself of irritants

Deep Earth creepy crawlies, mushrooms making rain, and a Maya city buried in ash are just a few highlights from this year's collection of science stories.

Cool Science Stories You May Have Missed in 2015

Quantum spookiness, a Maya city buried in ash and more in this year’s surprising science

Ask Smithsonian: How Do Colors Affect Our Moods?

Whether you are feeling green with envy or you're singing the blues, the link between color and feeling is a highly individual thing

Say hello to your faithful friend Demodex folliculorum.

New Research

Your Hair Mites Are So Loyal Their DNA Reflects Your Ancestry

Mite DNA could hold clues to ancient human migrations and future skin health

A bomb blast engulfs a mountainside near the town of Barg-e Matal in Afghanistan.

New Research

Shock Waves May Create Dangerous Bubbles in the Brain

Lab experiments show how people who survive explosions may still carry cellular damage that can cause psychological problems

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