Science, engineering & tech — unpacked daily. How things work, how they're made, why they matter. 🔬⚙️🚀
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7 engineering feats that shouldn't be possible — but exist anyway.
A thread of machines and structures that bend the rules. 🧵⚙️
ALT The Millau Viaduct's masts rising above a sea of clouds in the Tarn valley, France
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The rule was simple: destroy the brain's support cells and an adult brain can't replace them.
In live mouse brains, Zurich scientists found astrocytes doing something stranger — growing new nuclei and gliding them down long arms into the damaged zone to rebuild it.
🧠🔬
ALT Microscopy image of a brain lesion ringed by regenerative astrocytes extending long red projections, with new cell nuclei in blue
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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Sheep's wool is mostly farming waste. It might also rebuild your skeleton.
Keratin from wool was made into membranes and implanted into skull injuries in rats. Collagen grew more bone — but the wool-grown bone was better organised, fibres aligned like real bone.
🐑🦴
ALT Dr Sherif Elsharkawy of King's College London holding a human skull
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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Green hydrogen from seawater has an expensive problem: salt eats the machinery, so electrolysers are built from titanium coated in gold or platinum.
Hong Kong engineers made a steel that survives it — using manganese, which corrosion science says should make it worse.
⚙️💧
ALT Sample of the new SS-H2 ultra stainless steel developed at the University of Hong Kong
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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SpaceX didn't build Starlink to do atmospheric science. It's doing it anyway.
Kyoto researchers tracked how 1,200 satellites lose altitude to drag, then ran the numbers through medical-imaging maths — producing the first tomographic map of the thermosphere, 500km up.
🛰️🌍
ALT Illustration of a fleet of Starlink internet satellites in low Earth orbit
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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Ozempic doesn't just quiet hunger. It appears to quiet cravings for alcohol, nicotine and cocaine too.
The trail leads to the lateral septum — a brain region packed with GLP-1 receptors, sitting right between thinking about a reward and feeling compelled to chase it.
🧠🔑
ALT Illustration of the human brain highlighting reward and craving circuitry
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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An interstellar comet just swept past Mars — and China's Tianwen-1 orbiter was watching.
From nearly 29 million km away, it caught 3I/ATLAS trailing a glowing coma and tail: material born in another star system, only the third such visitor we've ever seen.
☄️🔭
ALT Artist's impression of interstellar comet 3I/ATLAS passing near the Sun
Full story via ScienceDaily:
sciencedaily.com/releases/20…
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Some people carry a gene variant — APOE2 — linked to living longer and a lower risk of Alzheimer's. Now scientists know part of why.
APOE2 neurons repair their DNA better and resist the "zombie" senescent state that drives brain aging.
🧬🧠
ALT Artistic representation of a neuron protected by the APOE2 gene
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Read more via ScienceDaily:
sciencedaily.com/releases/20…
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Ozempic works — but it hits the whole body, causing nausea, constipation and muscle loss.
Stanford scientists used AI to find a natural molecule, BRP, that curbs appetite by targeting just the brain's hunger centre.
Same fat loss. Fewer side effects.
🧬🧠
ALT Molecular model of the 12-amino-acid BRP peptide (spheres are atoms, sticks are bonds)
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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The 2026 World Cup is the most heavily-sensored tournament in history.
From FIFA's smart ball to the FAs' performance vests, here's the tech quietly running the show 🧵⚽📡
A gene therapy just wiped out brain tumours — in mice.
The treatment delivers genetic instructions that flag cancer cells and unleash the immune system on them, shrinking aggressive tumours that usually resist everything.
Human trials are the next test. 🧬🔬
ALT Microscopic view of brain cancer cells
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On this planet, dawn and dusk are two different worlds.
JWST found that the ultra-hot WASP-121 b has a morning and an evening with different temperatures — and even different chemistry. The clearest look yet at weather on an alien world.
🪐🌡️
ALT Artist's impression of the ultra-hot exoplanet WASP-121 b glowing beside its star
Lithium built the battery age. Its successors are already here.
Iron-air batteries store energy in the reversible rusting of iron, while sodium-ion packs ditch lithium entirely — cheaper, safer, and reaching commercial scale in 2026.
🔋⚡
ALT Concept image of sodium-ion batteries: power lines above a salt texture with a blue battery icon
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Imagine clouds made of rock that form every morning and vanish by night.
Using JWST, astronomers found exactly that on WASP-94A b — a giant planet ~700 light-years away where the mornings cloud over with minerals and the evenings run clear.
🪐☁️
ALT Artistic representation of WASP-94A b with morning rock clouds
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Offside is football's most argued call. The 2026 World Cup may have ended the debate.
FIFA scans all 1,248 players into 3D avatars, then tracks their limbs live — resolving calls to ~10cm and firing an instant audio alert to the ref.
⚽🤖
ALT 3D avatar replay of England v Croatia offside decision at FIFA World Cup 2026
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Full story via FIFA:
inside.fifa.com/innovation/n…
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Billions of diesel engines are still running worldwide.
Researchers found that adding tiny water droplets to the fuel triggers micro-explosions during combustion — slashing nitrogen oxide and soot emissions by over 60%.
No engine redesign needed.
⚙️💧
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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Scientists may have found how Alzheimer’s spreads through the brain.
A protein called Arc — normally a neural messenger — can be hijacked by toxic Tau, ferrying it from dying cells into healthy ones.
Block the ferry, stop the spread.
🧠🔍
ALT Neuron Arc protein Tau Alzheimer's
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Full story via ScienceDaily:
buff.ly/hw8VE7k
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CRISPR can rewrite broken genes. So why hasn't it cured more diseases?
The molecular scissors are simply too big to reach most of the body.
NIH-funded scientists just shrank them — and it could crack gene therapy wide open.
How it works 🧬🧵
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AI data centres are burning through electricity at an unsustainable rate.
Cambridge researchers built a brain-inspired chip that could cut that energy use by 70% — mimicking how neurons process and store information in one place.
🧠💡
ALT Cambridge brain-inspired chip AI energy
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Full story via ScienceDaily:
sciencedaily.com/releases/20…
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