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As the NASA aircraft DC-8 flew into the storm and collected data after each lightning flash, the researchers found that the concentrations of hydroxyl and hydroperoxyl produced by visible lightning and other regions that were electrically charged soared up to thousands of parts per trillion.

Lightning May Wash Pollution Out of the Air With a Chemical Dubbed ‘Detergent of the Atmosphere’

The oxidizing chemicals hydroxyl and hydroperoxyl may clean the skies of harmful pollutants by reacting with them

A local man stumbled onto a cache of Bronze Age artifacts, from necklaces to needles, while walking through a Swedish forest.

Cool Finds

Swedish Man Discovers Trove of Bronze Age Treasures Hidden in Plain Sight

A high-status woman once adorned herself with these items, which a local found buried beneath the forest floor

Designed to operate for more than a decade, the Chinese Space Station will have 14 refrigerator-sized experiment racks and 50 external docking points designed for experiments outside the station to test how materials react in space.

China Launches First Module of New Space Station Into Orbit

The module is the country’s largest spacecraft ever built and marks the first step in building their new space station by 2022

The Ingenuity Mars Helicopter’s shadow seen on the surface of Mars and captured by its own down-facing camera during its second test flight on April 22.

NASA’s Ingenuity Helicopter’s Next Mission? Mapping the Red Planet From Above

After successful test flights, NASA is expanding Ingenuity’s mission to further explore its abilities as an aerial scout

The 516 Arouca surpasses the previous record holder—Switzerland’s 1,621-foot Charles Kuonen Suspension Bridge—by about 70 feet.

World’s Longest Pedestrian Suspension Bridge Opens in Portugal

The 1,693-foot overpass hangs 570 feet above a roaring river and wobbles as people walk across it

A dancer performs during the public presentation of a life-size chocolate version of Picasso's Guernica.

Spanish Confectioners Create Life-Size Chocolate Replica of Picasso’s ‘Guernica’

Local artisans undertook the ambitious project in honor of the 85th anniversary of the bombing depicted in the famed anti-war mural

Stratolaunch's large aircraft, nicknamed 'Roc,' flew for three hours and 14 minutes and reached a maximum altitude of 14,000 feet.

World’s Widest Airplane Completes Successful Second Test Flight

Stratolaunch’s “Roc” aircraft has two fuselages and a wingspan of 385 feet

A donkey digging a well in the Sonoran Desert of Arizona.

New Research

Wild Donkeys and Horses Dig Wells That Provide Water for a Host of Desert Species

A new study finds these equine wells attracted 59 other vertebrate species, boasting 64 percent more species than the surrounding landscape

“When we saw the little foot and then the little hand [of the fetus], we were really shocked,” says anthropologist and archaeologist Marzena Ozarek-Szilke.

World’s Only Known Pregnant Egyptian Mummy Revealed

The unprecedented discovery opens up new pathways into the study of maternal health in the ancient world

The mustatils' monumental size and similarities are suggestive of "significant social organization and a common goal or belief," says lead author Hugh Thomas.

Cool Finds

Did a Neolithic Cattle Cult Build These Sprawling Structures in Saudi Arabia?

The roughly 7,000-year-old mustatils, or rectangular monuments, predate both Stonehenge and the Egyptian pyramids

Curators reattached the sculpture's missing digit using a "non-invasive, reversible and invisible system."

Cool Finds

Colossal Bronze Statue of Roman Emperor Reunited With Its Long-Lost Finger

Curators at the Louvre had mistakenly categorized the missing digit as a toe. An eagle-eyed researcher noticed the mistake in 2018

A panel of the "Birthing Rock" petroglyphs in Moab, Utah, prior to its defacement with racist and obscene etchings

Racist Phrase Found Etched on Native American Petroglyphs in Utah

Unidentified criminals wrote “white power” and obscenities over thousand-year-old Indigenous markings on “Birthing Rock” in Moab

The average Covid-19 test requires four pipette tips, and the U.S. is running over a million of those tests each day.

A Shortage of Plastic Pipette Tips Is Delaying Biology Research

Extreme weather and the Covid-19 pandemic have upended supply chains for plastic lab equipment

This plaque depicts musicians, a page holding a ceremonial sword and a high-ranking warrior. It numbers among the thousands of works looted by British forces during an 1897 raid of Benin City.

Germany Will Return Benin Bronzes to Nigeria in 2022

Culture Minister Monika Grütters describes the move as a “historic milestone”

Homes next to oil refinery in Los Angeles' Wilmington neighborhood. Wilmington has one the highest risks of cancer due to air pollution from the Port of Los Angeles at Long Beach and several oil refineries in the vicinity. The neighborhood is more than 80 percent Hispanic or Latino.

New Research

Communities of Color ‘Disproportionately and Systematically’ Face Deadly Air Pollution, Regardless of Location or Income

A new study finds people of color in the United States are exposed to higher levels of fine particulate pollution

Traditionally, when taxonomists examine a potentially new species of octopus, they dissect them, an approach that is highly invasive and nearly destroys the specimen.

New Species of Dumbo Octopus Identified Using 3-D Imaging Techniques

Techniques such as MRI and CT scans may allow researchers to identify and study rare sea specimens without the need for dissection

Restoration work on the western facade of the Parthenon in 2015

Why Proposed Renovations to Greece’s Acropolis Are So Controversial

Scholars voiced concern about planned aesthetic changes and a lack of adequate accessibility measures for people with disabilities

Elite Vikings constructed a huge stone boat for use in rituals at the Surtshellir cave.

Cool Finds

Did Vikings Host Rituals Designed to Stop Ragnarök in This Volcanic Cave?

New findings at a cavern in Iceland point to decades of elite ceremonial activity aimed at preventing the apocalypse

The cathedral's dean, Randy Hollerith, describes Wiesel as “the living embodiment of resilience in the face of hatred.”

National Cathedral Unveils Carving of Elie Wiesel, Nobel Laureate and Chronicler of the Holocaust

The bust of the “Night” author appears in a corner of the Washington, D.C. church’s Human Rights Porch

The Sts’ailes forest garden near Vancouver, British Columbia seen from the air.

New Research

Indigenous Peoples in British Columbia Tended ‘Forest Gardens’

Found near villages, research suggests the Indigenous population intentionally planted and maintained these patches of fruit and nut trees

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