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Health

Mini-organs grow around the tiny scaffolds (lower left). The magnified image (right) shows the hair-thin channels that serve as blood vessels.

How a Tiny, “Beating” Human Heart Was Created in a Lab

The device, filled with human heart cells, could dramatically reduce the time it takes to test new drugs and end testing on animals

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

New Research

How to Tell if Fluffy Is in Pain, According to the Experts

A new study identifies 25 ways to tell if your kitty isn’t feeling well

Trending Today

Researchers Say Culling Koalas May Save Them From Chlamydia

A paradoxical solution to help protect the species

Local workers disinfects the famous Sambadrome in Rio de Janeiro, Brazil, 26 January 2016.

Trending Today

Zika Virus May Spell Trouble for the Rio Olympic Games

U.S Olympic Committee officials suggest that athletes concerned about Zika stay on the sidelines this year

Mutations in mitochondria (marked in blue) can lead to serious genetic diseases.

New Research

U.S Panel Deems “Three Parent Babies” Ethical to Test

Mitochondrial replacement therapy could help prevent genetic diseases

Brainstorming new helmet innovation.

Smart Startup

Can This New Football Helmet Prevent Head Injuries?

The team behind the Zero1, a new four-layer helmet design, hopes so

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

A human embryo at the four-cell stage.

New Research

British Scientists Get Permission to Genetically Modify Human Embryos for Research

The scientists plan to use genetic engineering techniques to study infertility

Cool Finds

GoPro-Armed Vultures Capture Lima’s Trash Problems

By sniffing out illegal dumps, the watchful buzzards will hopefully inspire action to clean up the city’s streets

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

Inside Infinite Harvest's 5,400 square-foot grow facility in Lakewood, Colorado.

Astronauts and Arugula: Using Space-Station Technology to Grow Food

Infinite Harvest, an indoor vertical farm in Lakewood, Colorado, provides a glimpse into the future of global large-scale food production

Brain Scans Could Identify Kids at Risk of Depression

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

A centenarian and her descendants

New Research

There Are Now More Americans Over Age 100 and They’re Living Longer Than Ever

Scientists are still trying to understand the longevity secrets of those most advanced in age

How Wearable Tech Is Creeping Into the Beauty Industry

With the release of L’Oréal’s new UV-monitoring patch, beauty wearables are hitting the big time

Testing for allergies

New Research

Signs of Food Allergies Might Be in Newborns’ Blood

Overactive immune cells could prime the immune system to attack normally harmless molecules found in food

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

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