COVID-19

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

Smithsonian's most-read stories of 2021 included an explainer on crocodile evolution, a profile of a teen inventor and a feature on Viking explorer Gudrid the Far Traveler.

Our Top Ten Stories of 2021

From archaeological finds to an invasive weed to Roman bathrooms, these were our most-read articles of the 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

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

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The Ten Best Science Books of 2021

From captivating memoirs by researchers to illuminating narratives by veteran science journalists, these works affected us the most this year

Indian buffets invite a range of eaters—from the timid to the adventurous—to explore and experiment without intimidation.

Searching for Curry and Enlightenment on the Indian Buffet Line

A return to trays of glistening tandoori and hand-rolled naan for the first time since the start of the Covid-19 pandemic is a return to normalcy

The researchers note that the gum looks and feels like the type of gum found in convivence stores and can be stored at normal temperatures for years without damaging the ACE2 protein molecules that trap the SARS-coV-2 particles.  

Could This Chewing Gum Reduce the Spread of Covid-19?

Preliminary results show the viral load in infected saliva was reduced viral load by 95 percent, but the research has a long way to go

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

The coronavirus is suspected to attack specific cells in the nose that help olfactory nerves, which sense smell, operate. 

Up to 1.6 Million People in the U.S. Have Long-Term Smell Loss Due to Covid-19

After six months of smell loss, the chance of recovery drops to less than 20 percent, and around 5 percent of all cases will result in permanent loss

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

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

Though experts emphasize that vaccines are the primary defense against Covid-19, antiviral medicines could be another tool that doctors can use reduce the severity of infections, especially for high-risk Americans.

Pfizer Says Covid-19 Pill Cuts Hospitalization and Death Risk by Nearly 90 Percent

Though vaccines are still the best line of defense against the virus, the antiviral drug could help high-risk Americans once symptoms appear

Results from clinical trials show Pfizer’s vaccine was around 91 percent effective in preventing symptomatic Covid-19 infections in kids ages 5 to 11.

CDC Recommends Pfizer's Covid-19 Vaccine for Children Ages 5 to 11

About 28 million kids are immediately eligible for the safe and effective lower-dose vaccine

The recent decision expands vaccine eligibility to roughly 28 million American children.

FDA Authorizes Pfizer's Covid-19 Vaccine for Kids 5 to 11

The lower-dose vaccine could be administered as soon as this Wednesday, pending CDC approval

The CDC added mental health disorders to the list of primarily physical conditions that increase the risk of Covid-19 hospitalization or death. 

The CDC Adds Mental Health Conditions to High-Risk Covid-19 List

The addition of mood disorders expands the list of Americans eligible for booster shots by millions

The skin patch vaccine is administered by a pocket-sized device with 5,000 needle-like projections.

Could Skin Patches Be the Future of Covid Vaccines?

The device might survive longer storage times and pose a better option for people afraid of needles

Those currently eligible for a booster shot include older and high-risk recipients of the Pfizer and Moderna jabs, and those who received the one-shot Johnson & Johnson vaccine.

Mixing and Matching Covid-19 Vaccines Could Impact Immunity

Because public health officials aren’t recommending one booster shot over another, individuals are left to make a choice based on personal factors

The Food and Drug Administration And Centers for Disease Control and Prevention are likely to authorize the vaccine for young kids within the next few days.

FDA Panel Recommends Pfizer Vaccine for Children 5 to 11

The lower-dose vaccine was deemed safe and highly effective at preventing symptomatic Covid-19 infections in young children

Kids given two low-dose versions of the Moderna vaccine a month apart showed antibody levels 1.5 times higher than those seen in young adults. 

Moderna Says Covid-19 Vaccine Is Safe and Effective for Kids 6 to 11

The trial of nearly 5,000 children showed a strong immune response from two low-dose shots

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