How do ‘AI detection’ tools actually work? And are they effective?

Credit: JUSTIN JOSEPH from Pexels As nearly half of all Australians say they have recently used artificial intelligence (AI) tools, knowing when and how they’re being used is becoming more…

Poor sleep may nudge the brain toward dementia, researchers find

Credit: Unsplash/CC0 Public Domain Staring at the ceiling while the clock blinks 3am doesn’t only sap energy for the next day. A large, long-running U.S. study of older adults has…

The Leonid meteor shower peaks tonight: Here’s where to look for ‘shooting stars’

Heads up stargazers! The Leonid meteor shower peaks tonight, bringing a flurry of shooting stars to the night sky as Earth passes through the trail of debris shed by comet…

Will drug testing drivers really make NZ roads safer?

Credit: Pixabay/CC0 Public Domain The government’s new mandate to carry out random oral-fluid roadside drug testing marks a milestone in New Zealand’s road safety policy. Under recently passed laws, police…

Czech Republic plans $19 billion nuclear expansion to double output and end fossil fuel reliance

People fish near the towering Dukovany nuclear power plant, background, in Dukovany, Czech Republic, Oct. 21, 2025. Credit: AP Photo/Petr David Josek The eight huge cooling towers of the Dukovany…

Cosmic ray puzzle resolved as scientists link ‘knee’ formation to black holes

LHAASO experiment. Credit: LHAASO Collaboration Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy…

Study examines impact of adequate prenatal care for congenital heart disease

For cases of mild congenital heart defects (CHDs), more prenatal visits are associated with lower probability of delivery at a cardiac center, according to a study published online Nov. 9…

Ornately decorated medieval spears found in Polish lake

Underwater archaeologists from Nicolaus Copernicus University have uncovered four remarkably well-preserved medieval spears in the waters around Ostrów Lednicki, an island in the southern section of Lake Lednica in Poland.…

Renewable energy is reshaping the global economy—new report

Credit: Pixabay/CC0 Public Domain World leaders gather for the UN climate summit (COP30) in Belém, Brazil, amid concerns about the slow progress in cutting global carbon emissions. Ten years into…

FDA lifts major warnings on hormone replacement therapy

The U.S. Food and Drug Administration (FDA) is eliminating the prominent “black box” warnings on many hormone replacement therapy (HRT) medications, signaling a major shift in how the treatment is…