Medicine

When putting on or taking off a mask, handle it by the edges or straps to avoid contamination.

Can You Reuse a KN95 or N95 Mask? Experts Say Yes, but Follow These Steps

Regularly check for stretched-out straps, staining and soiling, which can compromise masks' ability to filter viruses like Covid-19

The gene-edited pig heart recipient, who was ineligible for a human heart transplant, is doing well three days after the surgery. 

In a First, Man Receives a Heart From a Gene-Edited Pig

The swine-to-person cardiac transplant offers hope for thousands in need of organs

Preliminary evidence suggests that rapid tests like Abbott BinaxNOW and Quidel QuickVue struggle to detect the omicron variant during an individual’s first few days of infection. 

Should You Add a Throat Swab to Your At-Home Covid-19 Test?

Mounting evidence suggests the extra step might catch Omicron infections earlier than a nasal swab alone, but the FDA warns against it

More than a quarter of American ICU beds are currently occupied by Covid-19 patients.

U.S. Sets Record With Over 1 Million New Daily Covid-19 Cases

Experts credit the recent surge to the spreading omicron variant and a lag in case reporting over the holidays

“You become a little bit of a fixture in the community,” says Stewart, seen here in San Diego.

The Veterinarian Brings His Healing Presence to Pets of the Unhoused

Kwane Stewart discovers the little-known world of generosity and love

(Top) Leila Strickland, Michelle Egger, Toby Kiers, Colin Averill, J. Richard Gott (Middle) Leslie Jones-Dove, Devshi Mehrotra, Prisha Shroff, Iké Udé (Bottom) Tim Farrelly, Omar Salem, David Deneher, Victor A. Lopez-Carmen, Doris Sung

Sixteen Innovators to Watch in 2022

These trailblazers are dreaming up a future with cell-cultured breastmilk, energy-saving windows and more

A bar proprietress drinks during her 101st birthday party at her tiny bar in Tokyo.

Old-Age Record Could Reach 130 by Century's End

Analysis of supercentenarians suggests human lifespan may have no limit

Only three substances—clove extract, tolfenamic acid, and pyritinol—showed slightly more symptom relief than the placebo.

From Korean Pear Juice to Clove Extract, Scientists Put Hangover Cures to the Test—but None Worked

Researchers examined 23 different at-home treatments for side effects of heavy drinking

A CT scan of the spiral intestine of a Pacific spiny dogfish shark (Squalus suckleyi). The organ begins on the left and ends on the right.

Ten Scientific Discoveries From 2021 That May Lead to New Inventions

From nanobots to cancer treatments, nature inspires a wide variety of innovations

From amazing firsts on Mars to the impacts of climate change on Earth, these science stories stood out as the most important of 2021

The Ten Most Significant Science Stories of 2021

Thrilling discoveries, hurdles in the fight against Covid and advancements in space exploration defined the past year

The CDC said Thursday that “receiving any vaccine is better than being unvaccinated.”

The CDC Now Recommends Pfizer and Moderna Covid-19 Vaccines Over J&J

The decision comes after more evidence linking the Johnson & Johnson shot to a rare blood clotting syndrome

Eating disorders affect hundreds of millions around the world and are dominated by negative thoughts and behaviors around food, eating, weight and body shape. Current research reveals the best evidence-based psychological therapies and some new avenues for treatments.

The Search for a Better Treatment for Eating Disorders

Cognitive behavioral therapy is working well for some, but scientists are seeking new innovations to help people with anorexia, bulimia and binge eating

The Food and Drug Administration could authorize the experimental pill within days.

Pfizer Says Covid-19 Pill Is Effective and Likely Works Against Omicron

The drug helps those already infected, but experts say vaccination is the best way to prevent contracting and spreading the virus

In each of the extant nine accounts, the victim is captured in battle and has an eagle of some sort carved into their back.

Did the Vikings Actually Torture Victims With the Brutal 'Blood Eagle'?

New research reveals the feasibility of the infamous execution method

A booster shot is administered in Stony Brook, New York in November. Such a shot can help spur a person’s immune system to ramp up defenses against Covid-19.

Six Questions About Waning Immunity to Covid-19 Answered

Experts weigh in on when a reduced immune response occurs and how boosters can help restore defenses

To reduce the risk of contracting and spreading Omicron, experts offer the same proven advice as they do against all Covid-19 variants: social distancing, masking, and getting vaccinated and boosted.

What Experts Do and Don't Know About the Omicron Covid-19 Variant

Scientists have dubbed Omicron a “variant of concern,” but warn against panic

Andrew Pelling adds cells to an ear-shaped scaffold made from apple flesh.

Inside the Innovative Lab Growing Mammal Tissue Using Plants as Scaffolds

Researchers at the University of Ottawa have used apple flesh to create human tissue in the shape of an ear and asparagus stalks to regenerate spinal cords

Experts aren’t recommending one jab over the other, instead advising individuals to make the decision be made based on personal factors.

CDC Panel and FDA Authorize Covid-19 Boosters for All Adults

Americans 18 and older will be eligible for a booster shot of their choice, pending approval from CDC Director Rochelle Walensky

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Clara Barton Epitomized the Heroism of Nurses

Two hundred years after her birth, her pioneering commitment to public health has only become more salient

If regulators approve the request, roughly 181 million fully vaccinated Americans will be able to get an additional jab.

Pfizer Asks FDA to Expand Booster Eligibility to All Adults

Experts are optimistic the request will be granted before the winter holiday season

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