Health

The newly discovered face cream represents the earliest known instance of a Chinese man using cosmetics.

This 2,700-Year-Old Chinese Face Cream Combined Animal Fat and 'Moonmilk'

Researchers found the ancient moisturizer in a nobleman's tomb

A patient holds a sample test tube for Chlamydia testing.

How Covid-19 Has Hurt the Effort to Track STDs

As gonorrhea, syphilis and chlamydia have hit their highest marks in decades, many STD contact tracers have shifted to work on the pandemic

Quarterback Trent Edwards of the Buffalo Bills suffers a concussion after getting hit during the first half of an NFL game.

How a Damaged Drainage System May Lead to More Severe Concussions

Emerging research suggests that even mild hits to the head may damage tiny lymphatic vessels that clear toxic chemicals and cellular debris from the brain

Signals from smartwatches can help catch infections early.

Can Smartwatches Be Adapted to Help Detect Covid-19 Infections?

With new algorithms, wearable devices—collecting vital signs like heart rate and skin temperature—could catch illness early

Two filmmakers launched a nationwide fundraiser to help save the surviving bars.

The Rise and Fall of America's Lesbian Bars

Only 15 nightlife spaces dedicated to queer and gay women remain in the United States

A volunteer donates blood during an event at the Field Museum in Chicago in May, 2020.

What Scientists Are Learning About Covid-19 Using the Nation's Blood Supply

Labs and blood banks collect millions of blood samples each month, offering a distinctive source of data on the disease

Public health officials are transforming spacious, open-air venues like Disneyland into "mega-site" vaccination centers.

Eight Unusual Covid-19 Vaccination Sites Around the World

From Disneyland to a Singapore airport, these are some of the surprising places being used as immunization centers

Italian company Beeing’s B-Box is small enough to keep on even a modest urban balcony.

Nine Attention-Grabbing Inventions Unveiled at This Year's CES

Held virtually, the Consumer Electronics Show still debuted plenty of new gadgets, from an easy-to-use beehive to a Bluetooth mask

Out of 381 pairs of identical twins involved in the new study, 39 had more than 100 differences in their DNA.

Many Identical Twins Actually Have Slightly Different DNA

In a new study of over 300 pairs of identical twins, only 38 had perfectly identical DNA

Intense visions and confusion about the reality of hospitalization can be especially scarring, leaving patients with intrusive thoughts, flashbacks and vivid nightmares. If such responses persist for more than one month and cause functional impairment or distress, it may be diagnosed as PTSD.

Why PTSD May Plague Many Hospitalized Covid-19 Survivors

Scientists warn about the likelihood of post-traumatic stress disorder for patients discharged from the intensive care unit

(Top row) Jing Liu and Florian Idenburg, Barron Ryan, Arturo Elizondo, (middle row) Samantha Pratt, Gitanjali Rao, Anitra Belle Henderson, (bottom row) Kennyjie, Andrea Ponti and Brett Phaneuf

Ten Innovators to Watch in 2021

These visionaries are imagining an exciting future with chicken-less eggs, self-piloting ships and more

A COVID testing site at Echo Park Stadium on December 30, 2020 in Parker, Colorado. This site is nearby Ebert County, where the first case of a COVID-19 variant that is thought to be more contagious was detected in the United States.

Colorado and California Report First U.S. Cases of Highly Contagious Covid-19 Variant

First discovered in England, the variant appears to be more transmissible but does not cause a more severe case of the disease

An RN administers the Covid-19 vaccine to a nurse at the Virginia Hospital Center in Arlington, Virginia.

The Ten Most Significant Science Stories of 2020

From the rapid development of vaccines for Covid-19 to the stunning collection of an asteroid sample, these were the biggest science moments of the year

“He is setting a fine example for the youth of the country,” said a public health official after the King of Rock 'n' Roll received a vaccine on the set of “The Ed Sullivan Show” in October 1956.

How Elvis Helped America Eliminate Polio

The rock star's much-publicized vaccination inspired reluctant U.S. teens to get inoculated

A nurse administers the Pfizer-BioNTech COVID-19 vaccine to a patient in London on December 8. Some experts say the fastest way to test second-generation COVID-19 vaccines is through human challenge trials.

A Brief History of Human Challenge Trials

For more than two centuries, scientists have been intentionally infecting patients with dangerous diseases in order to learn more

PEZ has designed about 1,400 different character heads and innumerable variations.

How PEZ Evolved From an Anti-Smoking Tool to a Beloved Collector's Item

Early in its history, the candy company made a strategic move to find its most successful market

Arctic ground squirrels are such adept hibernators that they can remain in their slumber for up to eight months by slowing their metabolic system down so greatly that they only need to breathe once per minute.

What Hibernating Squirrels Can Teach Astronauts About Preventing Muscle Loss

The Arctic ground squirrel recycles nutrients in its body, allowing it to slumber for up to eight months and wake up unscathed

The Chicken Soup Manifesto features delightful dishes from Ethiopia, Vietnam, Greece and other countries across the globe.

A Journey Around the World, as Told Through Chicken Soup

In her latest book, Portland-based chef Jenn Louis catalogs more than 100 recipes from 64 countries

In February, the Covid-19 pandemic halted polio immunization campaigns across Afghanistan and Pakistan, fueling a new resurgence of polio in children. Here, a young girl is given the polio vaccine in the Kabul Province in October after campaigns were resumed.

How Covid-19 Drove New Polio Cases in Afghanistan

Due to the pandemic, a total of 50 million children did not receive the polio vaccine in Afghanistan and Pakistan

Children who have been infected with the virus often experience mild or no symptoms at all, making them less likely to get tested.

More Than 1 Million U.S. Children Have Had Covid-19 Since the Start of the Pandemic

Almost 112,000 children tested positive during a one-week period ending on November 12, the largest single week increase in coronavirus cases in kids

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