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Technology

Mining the deep ocean

Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

Meet the mysterious electrides

These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts and more

Top science stories of 2025

In a year of funding chaos, ongoing climate change and pollution perils, we also saw the most powerful telescope yet, personalized gene therapy, and the next-best-thing to an HIV vaccine — not to mention a brand-new color

Animal origami: The physics of nature’s folds

Insects that tuck away wings; a protist with an accordion-like neck — studying these clever creases may inspire foldable structures for drones

Using pollen to make paper, sponges and more

Reengineered, the powdery stuff could become a range of eco-friendly objects

Solving renewable energy’s sticky storage problem

When the Sun doesn’t shine and the wind doesn’t blow, humanity still needs power. Researchers are designing new technologies, from reinvented batteries to compressed air and spinning wheels, to keep energy in reserve for the lean times.

The great green building makeover

Getting our homes and workplaces to be energy efficient has major benefits — but not when it is done one window at a time. Here’s why deep retrofits and biomaterials are key to more sustainable living.

The Cybathlon: Bionic athletes compete for the gold — and push assistive technologies forward

In the international competition, people with physical disabilities put state-of-the-art devices to the test as they race to complete the tasks of everyday life

New forms of steel for stronger, lighter cars

Automakers are tweaking production processes to create a slew of new steels with just the right properties, allowing them to build cars that are both safer and more fuel-efficient

The greening of planes, trains and automobiles

We need new fuels to transport people and goods around the globe as society moves away from coal, natural gas and oil. Here’s how things are shaping up.

Toward truly compostable plastic

Materials scientists are cooking up environmentally friendly polymers from natural sources like silk, plant fibers and whole algae. Economics and acceptance remain hurdles.

Why scientists are making transparent wood

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more

What will it take to recycle millions of worn-out EV batteries?

In Nevada and other US states, entrepreneurs are anticipating the coming boom in retired lithium-ion batteries from electric cars and hoping to create a market for recycled minerals

Making computer chips act more like brain cells

Flexible organic circuits that mimic biological neurons could increase processing speed and might someday hook right into your head

How smart windows save energy

Specialized glass that keeps heat in during winter and lets it out during summer could make buildings much more efficient — if costs and complexities don’t get in the way

Gallium: The liquid metal that could transform soft electronics

Bend it. Stretch it. Use it to conduct electricity. Researchers are exploring a range of applications that harness the element’s unusual properties.

Why do thieves keep stealing catalytic converters? It’s elemental

COMIC: Rhodium is one of several precious metals that put the catalyst in catalytic. And right now it’s worth more than gold.

The ancient origins of glass

Featuring ingots, shipwrecks, pharaohs and an international trade in colors, the material’s rich history is being traced using modern archaeology and materials science

Will glow-in-the-dark materials someday light our cities?

Substances that persistently luminesce are already used in some bike lanes, and in the future could be applied to sidewalks, streets and buildings — saving energy and reducing urban heat

The future that graphene built

Move over, flat carbon. Meet borophene, phosphorene and the rest of the next generation of “atomically thin” super-materials

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