In early September 2020, Seattle, Wash., had some of the worst air quality in the world because of wildfire smoke. The city was among the first to create smoke shelters for the most vulnerable. Nathan Rott/NPR hide caption
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Utahraptor skull reconstruction by Rob Gaston of Gaston Design incorporating some material from the Utahraptor megablock. Utah Geological Survey hide caption
A computer-generated unfolding sequence of sealed letter DB-1538. New research describes how "virtual unfolding" was used to read the contents of sealed letter packets from 17th century Europe without physically opening them. Unlocking History Research Group hide caption
Reading A Letter That's Been Sealed For More Than 300 Years — Without Opening It
Before conducting the nasal swab test for COVID-19 at the Rantoul, Ill., clinic, researchers go out to greet each visitor and ask for basic identification and health information. Christine Herman/Illinois Public Media hide caption
To Help Farmworkers Get COVID-19 Tests And Vaccine, Build Trust And A Safety Net
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To Help Farmworkers Get COVID-19 Tests And Vaccine, Build Trust And A Safety Net
The Advisory Committee on Immunization Practices voted 12-0, with one recusal, to recommend the use of the Johnson & Johnson vaccine for people aged 18 and older. Phill Magakoe/AFP via Getty Images hide caption
Top left: An officer asks people to observe lockdown rules in Brighton, England. Bottom left: A protester at a lockdown demonstration in Brussels, Belgium last month. Top right: Malaysian health officers screen passengers with a thermal scanner at Kuala Lumpur Airport in January 2020. Bottom right: Employees eat their lunch in Wuhan, China, in March 2020. Luke Dray/Getty Images; Kenzo Tribouillard/AFP via Getty Images; Mohd Rasfan/AFP; Getty Images hide caption
A nurse takes a Moderna Covid-19 vaccines ready to be administered at a vaccination site at Kedren Community Health Center, in South Central Los Angeles. Apu Gomes/AFP via Getty Images hide caption
A giant kauri tree grows in Waipoua Forest in Northland, New Zealand. Trees like this one that fell long ago and were preserved for thousands of years are helping researchers discern fluctuations in the Earth's magnetic poles. Kim Westerskov/Getty Images hide caption
Ancient Trees Show When The Earth's Magnetic Field Last Flipped Out
Workers from the garment sector block a road during a protest to demand payment of due wages, in Dhaka, Bangladesh, in April 2020. They claimed that factories had not paid them after retailers and brands cancelled orders due to worldwide lockdown measures. Munir Uz Zaman/AFP via Getty Images hide caption
Patrice Howard writes on white flags before planting them to remember her recently deceased father and close friends in November at "IN AMERICA How Could This Happen...," a public art installation in Washington, D.C. Led by artist Suzanne Firstenberg, volunteers planted white flags in a field to symbolize each life lost to COVID-19 in the U.S. Roberto Schmidt/AFP via Getty Images hide caption
Elvin Toro, 26, a former army medic, organizes his syringes before giving out the next dose of a COVID-19 vaccine to a local in Central Falls, R.I., on Saturday. Joseph Prezioso/AFP via Getty Images hide caption
Nurse Keith Grant got his second dose of Pfizer's COVID-19 vaccine on schedule from registered nurse Valerie Massaro in January at the Hartford Convention Center — 21 days after his first immunization. Joseph Prezioso/AFP via Getty Images hide caption
COVID-19 Vaccine: Don't Miss 2nd Dose Because Of Scheduling Glitches
An artist's rendition of the conch of Marsoulas being played in a cave where it was found by researchers in the early 20th Century. G. Tosello hide caption
Why A Musician Breathed New Life Into A 17,000-Year-Old Conch Shell Horn
A model of a feathered Tyrannosaurus rex at the American Museum of Natural History in 2019 in New York City. All Things Considered is making amends for its lack of dinosaur coverage. Drew Angerer/Getty Images hide caption
SpaceX owner and Tesla CEO Elon Musk is funding a $100 million competition to find innovative ways to remove carbon from the air or water. He's seen here at an awards show last December. Britta Pedersen/AFP via Getty Images hide caption
A picture taken on July 19, 2020, shows a screen broadcasting the launch of the "Hope" Mars probe at the Mohammed Bin Rashid Space Centre in Dubai. "Hope" — Al-Amal in Arabic — is expected to start orbiting Mars this week, marking the 50th anniversary of the unification of the UAE. GIUSEPPE CACACE/AFP via Getty Images hide caption
For many families, one of the hardest things about this pandemic is not being able to see loved ones who live far away. Solskin/Getty Images hide caption
Infectious disease expert Dr. Anthony Fauci says President Biden told him from the outset: "We're going to make some mistakes along the way. We're going to stumble a bit. And when that happens, we're not going to blame anybody. We're just going to fix it." "Boy, was that refreshing," Fauci says. Chip Somodevilla/Getty Images hide caption
Dr. Fauci On Vaccinations And Biden's 'Refreshing' Approach To COVID-19
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Southern Californians celebrate at a mass vaccination site in Disneyland's parking lot in January. CDC head Dr. Rochelle Walensky cautions that for strongest immunity, recipients get both doses of the Pfizer or of the Moderna vaccine according to schedule. Mario Tama/Getty Images hide caption