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On May 12th, astronomers with the Event Horizon Telescope collaboration unveiled an image of Sagittarius A*, the black hole at the center of the Milky Way galaxy. The world has been gifted the second photograph ever taken of a supermassive black hole — and this time, it’s a black hole that’s relatively close to home. Today, scientists collaborating on the massive Event Horizon Telescope (EHT) project

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A pig virus may have contributed to the death of first pig heart transplant patient

The first patient receiving a heart transplant with a pig heart might have died because the heart was infected with a virus, not because his body rejected the organ. The heart was supposed to be virus-free. A preventable infection by a porcine virus might have contributed to the death of the first patient to have a heart transplant with a pig organ, MIT Technology Review reported this week. David Bennett Sr, who had severe heart disease, received a

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Fitbit gets FDA clearance for passive heart rhythm monitoring

Google’s Fitbit got Food and Drug Administration clearance for a feature that passively monitors wearer heart rhythms and could flag signs of atrial fibrillation, a condition that increases the risk of stroke. A Fitbit feature that passively monitors users’ heart rhythms was cleared by the Food and Drug Administration, the company announced today. The feature periodically checks wearers’ heart rhythms and alerts them if they show signs of atrial

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Watching the r/Place timelapse is like staring into the heart of Reddit

Reddit has wrapped up its April Fools’ art experiment and has posted a treasure trove of data about how people placed tiles on the collaborative canvas. Even though you can no longer place tiles on Reddit’s r/Place canvas, which was a revival of an April Fools’ Day experiment, the platform has given us the chance to relive the experience. The company has provided a treasure trove of data,

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How to measure heart rate on your smartwatch

Whether you’ve got an Apple Watch, Fitbit, or Samsung Galaxy Watch 4, here’s how to make the most of your watch’s heart health features. Modern smartwatches have a wide array of heart-rate monitoring features. That includes passive all-day monitoring as well as spot checks for specific metrics. Some will even alert you if your heart rate suddenly spikes when it shouldn’t. The most

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Google asks FDA to clear Fitbit for passive heart rhythm monitoring

Google wants to add a passive, background atrial fibrillation detection tool to Fitbit devices. Right now, the devices are FDA-cleared to check for the condition, but users have to actively take a reading. Google submitted data for a new Fitbit feature that would passively monitor users’ heart rhythms to the Food and Drug Administration, the company announced today. Fitbit currently can only check for irregular heart rhythm periodically; users have

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Patient who received pig heart transplant dies

The first person to have a heart transplant with a genetically modified pig heart died Tuesday. He was 57. The cause of death was not immediately clear. The first patient to have a heart transplant with an organ from a genetically modified pig died Tuesday, The New York Times reported. David Bennett Sr., who had severe heart disease, received the heart in early January. He was 57. It’s not clear

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Mobvoi says its newest fitness tracker is the first to track arterial health

The Mobvoi TicWatch GTH Pro is a $99 smartwatch that also claims to track long-term heart health. It uses a dual optical heart rate sensor to determine novel metrics like arterial stiffness and heart stress. While smartwatches have generally opted to measure heart health through EKGs, Mobvoi announced today it’s taking a different tack. The company claims its latest fitness tracker, the TicWatch GTH Pro, can measure a person’s long-term arterial

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Peloton’s latest gadget is a $90 heart rate monitor for your arm

Peloton’s Heart Rate Band uses an optical heart rate sensor and is meant to be worn on your forearm. It has LED lights to indicate which heart rate zone you’re in and works with Peloton’s bikes, treadmills, and the forthcoming Guide. It’s not a rower or the forthcoming Peloton Guide, but Peloton announced today that it’s releasing a new Bluetooth heart rate monitor. Unlike its existing chest strap, the Peloton Heart Rate Band is meant to be worn on a user’s forearm and

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Twitter’s CEO and Elon Musk are beefing over bot counts

After a tweet from Elon Musk said his deal to buy Twitter is "temporarily on hold," company CEO Parag Agrawal is defending its calculations, saying internal reports show bot activity is "well under" its 5 percent mDAU estimate. Twitter CEO Parag Agrawal is pushing back against Elon Musk’s concerns around spam and bots on the platform, saying that Musk’s suggestion to measure the problem by performing a random sampling of 100 accounts wouldn’t work. “Our actual

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iOS 15.5 arrives ahead of Apple’s annual developer conference

Apple has released iOS 15.5, the latest version of its iPhone operating system. It adds new Apple Cash card functionality to the Wallet app and new storage options for Apple Podcasts. Apple has released iOS 15.5, the latest version of its iPhone operating system. It’s short on user-facing enhancements but could help appease regulators concerned with Apple’s dominant control over in-app purchases. New iOS 15.5 features include

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