Zero-thermal-expansion (ZTE) materials are widely used in precision optics, cryogenic equipment and sensors, where even small temperature changes can cause performance problems. Yet creating ZTE materials that also conduct heat efficiently and…
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Bio-inspired copper composite achieves zero thermal expansion and high heat transfer
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Two-way electric vehicle charging at scale could stop renewable energy being wasted—here's how it works
The amount of renewable energy produced around the world is increasingly exceeding demand—particularly from wind and solar sources. This presents a significant challenge when limited grid capacity and insufficient energy storage mean this clean…
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Turning structural failure into propulsion
Solar sails have some major advantages over traditional propulsion methods—most notably, they don’t use any propellant. But, how exactly do they turn? In traditional sailing, a ship’s captain can simply adjust the angle of the sail itself to…
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Ancient microfossils reveal a moving North Pacific Ocean 5 million years ago
A research team led by scientists at Kumamoto University has discovered a new genus of microscopic crustaceans from northern Japan, offering rare insights into how ocean currents in the North Pacific shifted during a key period of Earth’s climate…
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I love my friends … I do not love their kids
At this time of the year, with lots of parties, family catch-ups and holiday plans, you might be reminded of how much you love your friends.
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What was the Christmas star? Astronomy might hold the answer
In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the “Christmas Star” from the story of the nativity. Described in the Gospel of Matthew, the star guided the three wise men to the cradle of the young…
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How a bacteria-busting spray could help solve a meaty problem
University of Otago scientists are harnessing the power of peptides—the body’s own tiny protein molecules—for a spray to help the red meat industry solve headaches around bacterial contamination and spoilage.
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Deepfakes leveled up in 2025—here's what's coming next
Over the course of 2025, deepfakes improved dramatically. AI-generated faces, voices and full-body performances that mimic real people increased in quality far beyond what even many experts expected would be the case just a few years ago. They…
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New fentanyl vaccine is entering human trials — here’s how it works
A vaccine that blocks the effects of fentanyl — including overdose — will enter human trials in the coming months, perhaps leading the way to the first-ever proactive treatment for opioid use disorder.
The initial trials will focus on…
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Rethinking how we end a satellite's mission
At the end of their lives, most satellites fall to their death. Many of the smaller ones, including most of those going up as part of the “mega-constellations” currently under construction, are intended to burn up in the atmosphere. This Design…
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