Apple’s iPhone 14 Pros have a new multitasking feature called the “dynamic island.” WSJ’s Joanna Stern went out to a real island to test the Pros’ new always-on screen cameras, including the new 48-megapixel main camera and the new action mode.
She also compares them to the more affordable iPhone 14. 0:00 Welcome to Joanna’s dynamic island 1:07 iPhone 14 screen size and tests: always-on and dynamic island 3:41 iPhone 14 camera specs and tests 4:58 iPhone 14 action mode tests 5:35 Emergency SOS and crash detection: the iPhone 14 features Joanna couldn’t test
More than one million Americans were killed by Covid-19 in just over two years, the CDC reports. But the disease has hit some segments of the U.S. population far more than others. Photo illustration: Todd Johnson
Although intermittent fasting is most widely known as a weight-loss strategy, emerging research suggests that it could have benefits for brain health and cognition. But does it actually work, are there any drawbacks and how long would you have to fast to see benefits? WSJ’s Daniela Hernandez breaks down what’s known and what’s not about the neuroscience of intermittent fasting.
Timeline: 0:00 Could intermittent fasting help our brains work better and longer? 0:31 How long would you have to fast to see any potential cognitive benefits? 1:04 How intermittent fasting could affect your ability to focus 2:27 Potential mood-related benefits of intermittent fasting 2:48 How intermittent fasting can affect brain health 4:03 Potential drawbacks of intermittent fasting
New high-tech Covid-19 tests promise better and earlier detection of the virus—similar to a PCR test. WSJ’s Joanna Stern (and her mannequin clone) tried out the Detect Covid-19 Test and Cue Health Monitoring System to see how they compare with rapid antigen tests. Photo illustration: Ryan Trefes/ WSJ
Real-estate transactions in the metaverse are reaching record highs. We spoke with companies investing in digital real estate to understand the economic model, and why investors are spending millions on virtual property. Photo: Republic Realm
The Federal Reserve says it will accelerate the wind-down of its bond-buying program, the biggest step the central bank has taken in reversing its pandemic-era stimulus. Here’s how tapering works, and why it sends markets on edge. Photo illustration: Adele Morgan/WSJ
Available space, weather and air traffic volume are key factors that go into airfield design. Robert Hoxie, who helped redesign Chicago O’Hare’s airfield, explains how runways are mapped out. Photo Illustration: Adele Morgan/The Wall Street Journal
The James Webb Space Telescope, a collaboration between NASA, the European Space Agency and the Canadian Space Agency, is set to launch later this month. Scientists say its technology makes it 100 times more powerful than the Hubble and could give it the ability to see back to the first galaxies in the universe. Illustration: Adele Morgan/WSJ
China is expanding its military arsenal with new drones, including stealth versions and those that can swarm and drop bombs. WSJ compares the tech and design of these drones with their U.S. counterparts to see how Beijing is equipping its military for possible future conflict. Photo composite: Sharon Shi