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Technology

New devices could change the way we measure blood pressure

Embedded in a cell phone or in accessories such as rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension. But they must still pass several tests before hitting the clinic.

How to fight Covid with light

Some wavelengths of light in a range called far-UVC kill microbes in experiments and appear to be harmless to people. Could they be used to make indoor spaces safer against the coronavirus?

Handing the surgeon’s scalpel to a robot

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

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.

Building an immune system for the planet could prevent the next pandemic

OPINION: We need a global information network that spans borders so we can spot — and stop — new pathogens before they threaten world health

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.

Yes, all this screen time is hurting your eyes

OPINION: A neuroscientist says that he’s particularly worried about kids, who may have spent much of last year learning online. Some easy hacks can help.

The dash to adapt smartwatches to help detect Covid infections

Wearable devices already collect vital signs like heart rate and skin temperature. New algorithms can use them to catch illness early — leading to urgent efforts to help battle the pandemic.

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)

Virtual agents of change: How computers are mapping Covid-19’s future

Traffic planners, securities traders and military strategists all use it. Simulating the behavior of millions of idiosyncratic individuals also may be the best way to understand complex phenomena like pandemics.

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

Telemedicine’s tipping point

Sheltering in place has pushed virtual health care into the mainstream. Will we go back to doctors’ waiting rooms?

Digital disease surveillance: Tracking a pandemic

Social media posts and online searches may offer vital clues about the spread of influenza — and now Covid-19. But they also risk errors and threaten privacy.

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?

How 3-D printing could help shape surgery

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

Plasmonics brings the molecular world into sharper focus

People have been using metals to manipulate light for centuries. Now researchers are using it to create powerful biosensors.

The body’s tiny cargo carriers

Scientists are finding that microscopic membranous bubbles called extracellular vesicles transmit messages from cells and do big jobs in many areas of biology — plus they might be useful for therapies.

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.

Bypassing paralysis

By decoding brain activity with electrical implants, computers can help disabled people move a robotic arm — or their own

Truly, neurally, deeply

Scientists are developing AI systems called deep neural nets that can read medical images and detect disease — with astonishing efficiency

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