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Editor's Choice
Ultralightweight sonar plus AI lets tiny drones navigate like bats
To help small aerial robots navigate in the dark and other low-visibility environments, my colleagues and I developed an ultrasound-based perception system inspired by bat echolocation. Current robots rely heavily…
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Editor's Choice
COVID‑19 variant BA.3.2 is spreading quickly across US – a doctor explains what you need to know
A variant of COVID-19 called BA.3.2, which has circulated under the radar since late 2024, is now spreading quickly across the United States. As a pulmonary and critical care doctor,…
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Editor's Choice
Trump’s ‘God Squad’ pits energy vs. endangered species, but it’s a false choice – protecting wildlife can be good for business
There’s a well-worn debate in U.S. politics that goes something like this: Would you rather have abundant and affordable energy or a clean, healthy planet where wildlife can flourish? It…
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Editor's Choice
We surveyed more than 8,000 principals – they face violence, threats and stress in their schools
Almost half of surveyed Australia’s school principals face physical violence in their jobs. Almost 90% say they encounter offensive behaviour from students, parents and even colleagues, according to new survey…
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Editor's Choice
Australia’s rooftop solar boom left apartment residents behind. Here’s how to fix it
Most Australians now understand the basic promise of rooftop solar: lower power bills, cleaner electricity and, for some households, the option to charge an electric vehicle at home for far…
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Editor's Choice
NASA wants to build a base on the Moon by the 2030s – how and why it plans to build up to a long‑term lunar presence
The next U.S. trip to the Moon isn’t about planting a flag. It’s about learning how to live and work there. NASA has just reset its Artemis program, marking a…
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Editor's Choice
Sex test used in IOC’s new transgender ban more likely to exclude from Olympics intersex women who were assigned female at birth
The International Olympic Committee announced a new policy on March 26, 2026, for women’s competitions: Every athlete must be tested for a gene called SRY, usually found on the Y…
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Editor's Choice
Panicking scientists, canceled experiments – federal funding cuts turned my work as a research dean into crisis management
Fielding frantic faculty emails and panicked texts was not how I had hoped my 2025 would begin. Little did I imagine that my role as a research dean at a…
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Editor's Choice
Are multiverses real? An astrophysicist explains why it depends on how you define ‘real’
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are multiverses real? If so,…
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Editor's Choice
We analyzed Philly street scenes and identified signs of gentrification using machine learning trained on longtime residents’ observations
What does gentrification in Philadelphia look like? “High-rise, modern apartment buildings.” “(A) modern look that’s so out of place with our traditional row homes that have been here for a…
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Editor's Choice
Birutė Galdikas: The last of ‘Leakey’s Angels’ in primatology’s most extraordinary chapter
Primatologist Birutė Galdikas died on March 24, 2026, and an era of science that began in the forests of Tanzania, Rwanda and Borneo studying humanity’s closest living relatives more than…
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Editor's Choice
Is E10 fuel bad for my car? And could it save me money?
Fuel has become a precious, and increasingly expensive, commodity. The ongoing Middle East conflict has effectively closed the Strait of Hormuz, cutting off 20% of the world’s oil supplies. This,…
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Editor's Choice
‘Mum and Dad both finished school in Year 10’– how to help first‑in‑family students graduate from uni
Each year, about 30% of new undergraduates in Australia are the first in their families to go to university. This means their parents do not have a university-level qualification. Often,…
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Editor's Choice
How sea mines threaten global trade, and how navies detect them
U.S. intelligence officials have assessed that Iranian forces have deployed a small number of mines in the Strait of Hormuz, a critical choke point for global shipping, according to reports.…
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Editor's Choice
There may be 10 times as many citizen scientists in Australia as we thought – and that’s great news for science
Until recently, the number of citizen scientists in Australia was estimated at between 100,000 and 130,000 people. But this is a major underestimate. My survey of about 20 key organisations…
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