International Space Station spots rare jet of blue lightning

The paper describes not just the blue jet itself, but also a few of its friends—four smaller flashes at the top of the clouds that did not project out into the second layer of the atmosphere, known as the stratosphere. Instead, these flashes stayed in the clouds of the first layer, the troposphere. While we […]

6,500 medieval coins and rare gold rings unearthed in Polish cornfield

A medieval hoard brimming with silver ingots, gold rings and thousands of silver coins was recently discovered in a Polish cornfield by an archaeologist, with the help of a priest and local firefighters.  The nearly 900-year-old hoard, found in Słuszków, a village in west-central Poland, held a one-of-a-kind treasure — a gold ring etched with […]

Allergic reactions to Moderna’s COVID-19 vaccine are extremely rare, report finds

Moderna’s COVID-19 vaccine rarely causes severe allergic reactions, according to new data released by the Centers for Disease Control and Prevention (CDC). Between Dec. 21 and Jan. 10, more than 4.04 million people were given Moderna’s COVID-19 vaccine, but only 10 developed a serious, potentially life-threatening allergic reaction called anaphylaxis. That works out to be […]

Endangered Siamese crocodile in rare sighting at Thai national park

The freshwater reptile was once ubiquitous across Southeast Asia but is currently listed as critically endangered The critically endangered Siamese crocodile has been spotted for only the second time in a decade at Thailand’s largest national park, according to photos released on Saturday. The freshwater reptile—snapped by camera traps sunning itself at Kaeng Krachan National […]

This fossilized butthole gives us a rare window into dinosaur sex

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Astronomers spotted a rare galaxy shutting down star formation

cold quasar illustration

A distant galaxy has been caught in the act of shutting down. The galaxy, called CQ 4479, is still forming plenty of new stars. But it also has an actively feeding supermassive black hole at its center that will bring star formation to a halt within a few hundred million years, astronomers reported January 11 […]

Rare quadruple-helix DNA found in living human cells with glowing probes

Quadruple-helix DNA. Credit: Imperial College London New probes allow scientists to see four-stranded DNA interacting with molecules inside living human cells, unraveling its role in cellular processes. DNA usually forms the classic double helix shape of two strands wound around each other. While DNA can form some more exotic shapes in test tubes, few are […]

Mexican farmers find rare female statue in citrus grove

In this Jan. 4, 2021 photo released by Mexico’s National Institute of Anthropology, known by its Spanish acronym INAH, the statue of a female figure unearthed in Hidalgo Amajac, is seen in nearby Alamo Temapache, Veracruz state, Mexico. Farmers digging in a citrus grove on New Year’s Day found the six-foot tall statue of a […]

Severe allergic reactions to COVID-19 vaccines are rare, CDC says

Out of the first 1.9 million doses of Pfizer’s COVID-19 vaccine administered in the United States, there were 21 reported cases of severe allergic reactions to the vaccine, the Centers for Disease Control and Prevention said January 6. The rate of anaphylaxis seen so far — 11.1 cases per 1 million vaccine doses — is […]