One of the most vexing medical mysteries to come from the pandemic is long COVID-19. Immunologist Matthew Woodruff has been investigating the links between the body’s immune response and severe COVID-19 since the early days of the pandemic and writes about his latest research, published in the journal Nature today. The study shows that “rogue antibodies” that attack people’s own tissues are present in people with long COVID-19, an important finding that can lead to better treatments.

Another study that got widespread attention this week came from glaciologist Alun Hubbard, who has spent decades conducting research on Greenland’s ice sheet. In an evocative story with photos taken by Hubbard, he writes about the dramatic changes he’s seen and what they mean for the world – notably, at least 10 inches of global sea level rise. “The current generation of coupled climate and ice sheet models used to forecast future sea level rise fail to capture the emerging processes that we see amplifying Greenland’s ice loss,” he writes.

News this morning that inspectors from the United Nations’ nuclear watchdog agency have arrived in Ukraine to monitor the Zaporizhzhia Nuclear Power Plant provides some level of assurance. But with the plant in a war zone, the situation remains worrying. Nuclear safety expert Najmedin Meshkati from the University of Southern California explains the most important risks to operation of the plant and calls for “active, pragmatic engineering and nuclear diplomacy.”

Also in this week’s science news:

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Approximately 30% of people who get COVID-19 develop long-term symptoms, or long COVID-19. Boy Anupong/Moment via Getty Images

Long COVID: How researchers are zeroing in on the self-targeted immune attacks that may lurk behind it

Matthew Woodruff, Emory University

A new study finds that misdirected immune responses can persist for months in those who are suffering from long COVID-19.

A turbulent melt-river pours a million tons of water a day into a moulin, where it flows down through the ice to ultimately reach the ocean. Ted Giffords

What’s going on with the Greenland ice sheet? It’s losing ice faster than forecast and now irreversibly committed to at least 10 inches of sea level rise

Alun Hubbard, University of Tromsø

A field glaciologist explains the changes scientists are now seeing.

The Zaporizhzhia nuclear power plant in Ukraine is being operated by Ukrainian technicians while occupied by Russian troops. Russian Defense Ministry Press Service via AP

Imperiled Ukrainian nuclear power plant has the world on edge – a safety expert explains what could go wrong

Najmedin Meshkati, University of Southern California

Artillery shelling, stressed-out technicians and power supply disruptions increase the chances of catastrophe at the Zaporizhzhia nuclear power plant, Europe’s largest.