Menu Close
The star system V883 Orionis contains a rare star surrounded by a disk of gas, ice and dust. A. Angelich (NRAO/AUI/NSF)/ALMA (ESO/NAOJ/NRAO)

Water in space – a ‘Goldilocks’ star reveals previously hidden step in how water gets to planets like Earth

Astronomers have long known where water is first formed in the universe and how it ends up on planets, asteroids and comets. A recent discovery has finally answered what happens in between.
Bird flu is transmitted mainly by wild birds, like these snow geese in Ruthsberg, Md., in January 2023. Photo by JIM WATSON/AFP via Getty Images

As bird flu continues to spread in the US and worldwide, what’s the risk that it could start a human pandemic? 4 questions answered

Avian influenza viruses have evolved to infect birds, but the current H5N1 outbreak is also infecting a wide range of mammals. This suggests that it could mutate into forms that threaten humans.
The cracks in the financial system are growing. John Sommer/E+ via Getty Images

US regulators avoided a banking crisis by swift action following SVB’s collapse – but the cracks it exposed continue to weaken the global financial system’s foundation

The Fed, Treasury and FDIC acted swiftly to protect depositors and stem any panic, but anxiety continues to grow about the state of the global financial system.
For many teachers, grading is an individualized effort – not one consistent with other teachers. andresr/E+ via Getty Images

Every teacher grades differently, which isn’t fair

A scholar of grading explains how teachers can do a better job of reporting what grades represent, and what they are for.
A diagnosis of treatment-resistant depression can lead to a sense of hopelessness and despair in some patients. Maria Korneeva/Moment via Getty Images

Depression too often gets deemed ‘hard to treat’ when medication falls short

An overreliance on medication as the first-line treatment for depression can lead some people to be labeled with treatment-resistant depression when there are other viable alternatives for relief.
Large language model AI responds to questions but doesn’t actually know anything and is prone to making things up. Charles Taylor/iStock via Getty Images

AI information retrieval: A search engine researcher explains the promise and peril of letting ChatGPT and its cousins search the web for you

Searching the web with ChatGPT is like talking to an expert – if you’re OK getting a mix of fact and fiction. But even if it were error-free, searching this way comes with hidden costs.
Healthspan measures incorporate quality of life in ways that lifespan does not. Ira T. Nicolai/The Image Bank via Getty Images

Are you a rapid ager? Biological age is a better health indicator than the number of years you’ve lived, but it’s tricky to measure

Aging is a major risk factor for many chronic diseases. Figuring out what influences longevity and how to identify rapid agers could lead to healthier and longer lives for more people.

Support our work

Editor's Picks