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Climate Change

Sounding out the brain

Ultrasound isn’t just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.

A master teller of fish stories

First came fugu. Then he took a bite out of sharks. Now a pioneer in genome research helps lead the effort to sequence every lineage of vertebrates.

The race to develop paper-based tests for coronavirus

Scientists are working at breakneck speed to develop inexpensive tools that take only minutes to tell if someone is infected — a feat that could pave the way for a safer return to normalcy

How sustainable are fake meats?

Marketed to meat lovers, plant-based burgers like Impossible and Beyond claim to taste like the real thing and to have far lighter environmental footprints. Here’s what the numbers have to say.

How heat pumps of the 1800s are becoming the technology of the future

Innovative thinking has done away with problems that long dogged the electric devices — and both scientists and environmentalists are excited about the possibilities

How particle accelerators came to be

PODCAST: They started out so small, one could fit on the palm of your hand, but to make groundbreaking discoveries, physicists had to think really big — as in, vast machines with the power and capacity to reveal the tiniest building blocks of our universe (Season 2/Episode 5)

Invisibility aside, metamaterials are making waves

Materials that manipulate light and sound in ways not seen in nature may be ready for prime time, improving imaging and communications

Do patents invent innovation?

They're a common index of technological creativity, but research finds they can impede rather than encourage it

The silence of the owls

No one knows exactly how the nocturnal hunters manage their whisper-soft flight, yet it is inspiring the design of quieter airplanes, fans and wind turbines

AI’s next big leap

The unlikely marriage of two major artificial intelligence approaches has given rise to a new hybrid called neurosymbolic AI. It’s taking baby steps toward reasoning like humans and might one day take the wheel in self-driving cars.

Hi, robot: Why robotics and language need each other

Machines might better understand our commands if they experienced our physical worlds, researchers say. That enhanced perception could sharpen their listening skills and improve performance.

Champagne bubbles: the science

As you uncork that bottle and raise your glass, take time to toast physics and chemistry along with the New Year

After Covid-19, can mRNA vaccines help with cancer as well?

The pandemic put the technology, long in development, to the test. Here’s a look at the status of its application to cancer and when it might reach patients.

Rethinking recycling

VIDEO: Diverting recoverable materials helps keep trash from overwhelming landfills, but the industry still faces many challenges. Consumer education, innovative technologies and turning wastes to energy can help manage the rubbish problem.

Handing the surgeon’s scalpel to a robot

After decades of merely assisting doctors, are sophisticated machines ready to take charge?

Why solar geoengineering should be part of the climate crisis solution

The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change

The science of better beer

Advances in the lab are adding variety, efficiency and precision to age-old brewing traditions

The rise of green hydrogen in Latin America

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

Genetics extends the long arm of the law

In an evolving branch of forensic science, genealogists help solve crimes, sometimes identifying suspects with the DNA of distant relatives they’ve never met. As cold cases yield, concerns about privacy issues persist.

Making microbots smart

What would it take to create a truly intelligent microbot, one that can operate independently? A roboticist describes the fascinating minutiae and the medical jobs these tiny machines could do for us.

Monitoring our health with smartwatches

VIDEO: Wearable devices are increasingly used for tracking health data and identifying problems. Learn from health researchers about exploring the promise and pitfalls of personal tech.

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.

A robotic window on the human mind

Engineers aim to build machines that put people at ease. The effort reveals truths about ourselves.

Reaching out to touch virtual reality

New technologies mean we won’t just see and hear digital information. We’ll also feel it.

Heterostructures get a quantum buildup

A summary of “Quantum-Matter Heterostructures” by H. Boschker and J. Mannhart that appears in the 2017 Annual Review of Condensed Matter Physics

3-D printing finds a custom foothold in manufacturing

From rocket thrusters to shoe soles, additive technologies expand their sights

What do genes do? | Things to Know

VIDEO: Scientists have captured live video of parts of the most fundamental event in biology — cells reading and copying DNA instructions to make proteins

Information apocalypse: All about deepfakes

VIDEO: Doctored images, fake videos and computer-generated news are easier than ever to create and distribute. Here’s why you should worry and what you can do.

Design for recycling

A major headache for recyclers is complex packaging that incorporates multiple materials. So why not consider the end point in the first place?

The surprisingly tricky art of seed banking

To safeguard threatened plants, science must unravel the hidden biology of often-persnickety seeds as they age, sleep and awaken

Sell-by dates | Things to Know

VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?

Can playing video games make you smarter?

OPINION: Research highlights six key principles for better learning

How 3-D printing could help shape surgery

Technology is enabling increasingly lifelike models of organs to help doctors practice operations.

Pig organs in people: The future of cross-species transplants

Can genetically modified animals help ease the shortage of organs? After years of research into xenotransplantation, the field is at a turning point — yet risks and ethical issues remain.

The body electric

Batteries are the weak link for wearable and implantable devices. But what if you could harvest energy from the heat, sweat or vibrations of the wearer?

The next evolution of digital money? It’s happening now

OPINION: After cryptoassets, a wave of central bank digital currencies is set to revolutionize our ideas about what money is and how to manage it

One bin future: How mixing trash and recycling can work

Instead of asking consumers to remember what is and isn’t recyclable — and to sort items into the correct bins — why not just take the rubbish and sort it centrally?

Less toy, more workhorse: Drones get functional

Airborne autonomous vehicles could soon be dropping off your Amazon packages, delivering your food and even ensuring that the infrastructure around you is safe and sound

Polymers promise a more flexible artificial retina

Organic semiconductors can link up with brain cells to send and receive signals. They may find a use in sight-restoring prostheses.

Can you believe the polls? It depends

A veteran of survey research explains why high-quality polling matters — and warns of the proliferation of shoddy gimmicks

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

Wild robots: Five ways scientists are using robotics to study animal behavior

Biomimetic bots can teach researchers a lot about how creatures interact in the natural world

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

The unmet promise of Big Data in policing

Today’s astounding computing power offers great potential for reducing crime, but a criminologist says law enforcement has yet to find ways to fully tap it.

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.

When nuclear goes retro | Things to Know

VIDEO: Old becomes new as nuclear startups take another look at using liquid nuclear fuel as a safe alternative to conventional nuclear reactors

Getting it ripe

From meh to wow: The science of fruit maturation reveals new paths to better flavor

The heart of invention

PODCAST: Replacing or assisting the human heart with a machine would save countless lives. But the quest to build an artificial heart has had many gruesome missteps and caused researchers to reimagine how to keep our blood flowing. (Season 1/Episode 2)

Roles for robots

Robots are getting geared up for a variety of human health and social uses

A toast to the pope

Professor Charlie Bamforth is retiring. But he still fizzes with strong opinions on good beer, solid brewers and – Ptooey! – wine.

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