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Apple Watch Series 9 Rumors: Will It Get a Blood Glucose Monitor?

The next Apple Watch is likely on the way. Here’s all the buzz about its release date, price and new features.

The iPhone 15 isn’t the only new device we’re expecting to see this year. The successor to the Apple Watch Series 8 is also likely to hit shelves in 2023. Apple is the king of smartwatches, and it’s been reigning supreme for years now despite a slow start. With 2023 underway, we’re looking forward to the next generation of the company’s iconic timepiece, the Apple Watch Series 9. 

Over the years, Apple has made a steady stream of upgrades to the Apple Watch, adding an always-on display in 2019, blood oxygen monitoring in 2020, a bigger display in 2021 and temperature sensing in 2022. 

This year, however, an incremental upgrade is more likely to materialize, considering Apple shook up its smartwatch lineup last year with the introduction of the luxurious Apple Watch Ultra and the second-gen Apple Watch SE. Currently, there are few rumors to run with for the Watch Series 9 (unlike for the iPhone 15 series), but we’ll be sure to update this article as we get a whiff of any credible buzz.

New sensors

The major new health feature expected to arrive on the Apple Watch is noninvasive and continuous blood glucose monitoring, according to a Bloomberg report published in February. Currently, testing for blood glucose requires pricking the skin for blood. To test glucose levels without blood, Apple is said to be investigating an approach that involves using a silicon photonics chip for a measurement process called optical absorption spectroscopy. This technique shines light from a laser under the skin to determine the amount of glucose in the body, the report says. While major progress has reportedly been made in bringing this feature to life, the technology needs to be miniaturized to fit in a wearable device. If Apple pulls this off, it has the potential to make the Apple Watch essential in millions of diabetic households. 

Apple Watch Series 8 with rainbow display on blue backgroundApple Watch Series 8 with rainbow display on blue background

The Apple Watch Series 8 adds a temperature sensor. But how it performs over time is still TBD.

Scott Stein/CNET

MicroLED display?

The Apple Watch received an OLED screen years before the iPhone, and now the rumor mill suggests the Apple Watch could adopt another display upgrade before Apple’s smartphones. According to a Bloomberg report,  MicroLED displays produced in house are set to appear on the next Apple Watch Ultra model, which could arrive in 2024 at the earliest. Previous rumors had pointed to 2023 as the year for a MicroLED Apple Watch. This represents yet another effort by Apple to reduce its reliance on external tech partners – in this case Samsung and LG – as it strives to build more components on its own. 

Not to be confused with Mini-LED, MicroLED is touted as the next major leap forward for display tech from OLED. It gets its name from the millions of teeny tiny pixels that create the image directly. The main hurdle facing mass adoption is getting those pixels (and screens) small enough. MicroLED is brighter than OLED with similarly perfect black levels and no danger of burn-in. 

Release date and price

Apple has released a new generation of the Apple Watch every year since its debut. This year, unless the company breaks tradition, the Apple Watch Series 9 will likely arrive in the fall of 2023 alongside the iPhone 15 series.

There are no leaks either on the starting price of the Apple Watch Series 9. However, the price has remained the same for several years now, at least in the US, and we expect prices to remain the same in 2023. The Apple Watch Series 8 starts at $399.

What we expect

We expect the Apple Watch Series 9 to have everything the Watch Series 8 has. Those features include an always-on display and various size options and finishes. We also expect the Watch Series 9 to receive an upgraded processor (probably the S9) and support for the next software version, WatchOS 10. Hopefully we’ll see an improvement in battery life too, which the Watch 8 didn’t receive. 

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Tariffs Explained: Latest on Trump’s Shifting Import Tax Plan, and What It Means

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Apple, I’m (Sky) Blue About Your iPhone 17 Air Color

Commentary: The rumored new hue of the iPhone 17 Air is more sky blah than sky blue.

I can’t help but feel blue about the latest rumor that Apple’s forthcoming iPhone 17 Air will take flight in a subtle, light-hued color called sky blue.

Sky blue isn’t a new color for Apple. It’s the featured shade of the current M4 MacBook Air, a shimmer of cerulean so subtle as to almost be missed. It’s silver left too close to an aquarium; silver that secretly likes to think it’s blue but doesn’t want everyone else to notice.

Do Apple employees get to go outside and see a real blue sky? It’s actually vivid, you can check for yourself. Perhaps the muted sky blue color reflects a Bay Area late winter/early spring frequent layer of clouds like we typically see here in Seattle.

«Who cares?» you might find yourself saying. «Everyone gets a case anyway.» I hear you and everyone else who’s told me that. But design-focused Apple is as obsessive about colors as they are about making their devices thinner. And I wonder if their heads are in the clouds about which hues adorn their pro products.

Making the case for a caseless color iPhone

I’m more invested in this conversation than most — I’m one of those freaks who doesn’t wrap my phone in a case. I find cases bulky and superfluous, and I like to be able to see Apple’s design work. Also, true story, I’ve broken my iPhone screen only twice: First when it was in a «bumper» that Apple sent free in response to the iPhone 4 you’re-holding-it-wrong Antennagate fiasco, and second when trying to take long exposure starry night photos using what I didn’t realize was a broken tripod mount. My one-week-old iPhone 13 Pro slipped sideways and landed screen-first on a pointy rock. A case wouldn’t have saved it.

My current model is an iPhone 16 Pro in black titanium — which I know seems like avoiding color entirely — but previously I’ve gone for colors like blue titanium and deep purple. I wanted to like deep purple the most but it came across as, in the words of Patrick Holland in his iPhone 14 Pro review, «a drab shade of gray or like Grimace purple,» depending on the light.

Pros can be bold, too

Maybe the issue is too many soft blues. Since the iPhone Pro age began with the iPhone 11 Pro, we’ve seen variations like blue titanium (iPhone 15 Pro), sierra blue (iPhone 13 Pro) and pacific blue (iPhone 12 Pro).

Pacific blue is the boldest of the bunch, if by bold you mean dark enough to discern from silver, but it’s also close enough to that year’s graphite color that seeing blue depends on the surrounding lighting. By comparison, the blue (just «blue») color of the iPhone 12 was unmistakably bright blue.

In fact, the non-Pro lines have embraced vibrant colors. It’s as if Apple is equating «pro» with «sophisticated,» as in «A real pro would never brandish something this garish.» I see this in the camera world all the time: If it’s not all-black, it’s not a «serious» camera.

And yet I know lots of pros who are not sophisticated — proudly so. People choose colors to express themselves, so forcing that idea of professionalism through color feels needlessly restrictive. A bright pink iPhone 16 might make you smile every time you pick it up but then frown because it doesn’t have a telephoto camera.

Color is also important because it can sway a purchase decision. «I would buy a sky blue iPhone yesterday,» my colleague Gael Cooper texted after the first rumor popped online. When each new generation of iPhones arrive, less technically different than the one before, a color you fall in love with can push you into trading in your perfectly-capable model for a new one.

And lest you think Apple should just stick with black and white for its professional phones: Do you mean black, jet black, space black, midnight black, black titanium, graphite or space gray? At least the lighter end of the spectrum has stuck to just white, white titanium and silver over the years.

Apple never got ahead by being beige

I’m sure Apple has reams of studies and customer feedback that support which colors make it to production each year. Like I said, Apple’s designers are obsessive (in a good way). And I must remind myself that a sky blue iPhone 17 Air is a rumored color on a rumored product so all the usual caveats apply.

But we’re talking about Apple here. The scrappy startup that spent more than any other company on business cards at the time because each one included the old six-color Apple logo. The company that not only shaped the first iMac like a tipped-over gumdrop, that not only made the case partially see-through but then made that cover brilliant Bondi blue.

Embrace the iPhone colors, Apple.

If that makes you nervous, don’t worry: Most people will put a case on it anyway.

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Astronomers Say There’s an Increased Possibility of Life on This Distant Planet

Using the James Webb Space Telescope, astronomers are working to confirm potential evidence of life on a distant exoplanet dubbed K2-18b.

Astronomers are nearing a statistically significant finding that could confirm the potential signs of life detected on the distant exoplanet K2-18b are no accident.

The team of astronomers, led by the University of Cambridge, used data from the James Webb Space Telescope (which has only been in use since the end of 2021) to detect chemical traces of dimethyl sulfide (DMS) and/or dimethyl disulfide (DMDS), which they say can only be produced by life such as phytoplankton in the sea. 

According to the university, «the results are the strongest evidence yet that life may exist on a planet outside our solar system.»

The findings were published this week in the Astrophysical Journal Letters and point to the possibility of an ocean on this planet’s surface, which scientists have been hoping to discover for years. In the abstract for the paper, the team says, «The possibility of hycean worlds, with planet-wide oceans and H2-rich atmospheres, significantly expands and accelerates the search for habitable environments elsewhere.»

Not everyone agrees, however, that what the team found proves there’s life on the exoplanet.

Science writer and OpenMind Magazine founder Corey S. Powell posted about the findings on Bluesky, writing, «The potential discovery of alien life is so enticing that it drags even reputable outlets into running naive or outright misleading stories.» He added, «Here we go again with planet K2-18b.Um….there’s strong evidence of non-biological sources of the molecule DMS.»

K2-18b is 124 light-years away and much larger than Earth (more than eight times our mass), but smaller than Neptune. The search for signs of even basic life on a planet like this increases the chances that there are more planets like Earth that may be inhabitable, with temperatures and atmospheres that could sustain human-like lifeforms. The team behind the paper hopes that more study with the James Webb Space Telescope will help confirm their initial findings.

More research to do on finding life on K2-18b

The exoplanet K2-18b is not the only place where scientists are exploring the possibility of life, and this research is still an early step in the process, said Christopher Glein, a geochemist, planetary researcher and lead scientist at San Antonio’s Southwest Research Institute. Excitement over the significance of the research, he said, should be tempered.

«We need to be careful here,» Glein said. «It appears that there is something in the data that can’t be explained, and DMS/DMDS can provide an explanation. But this detection is stretching the limits of JWST’s capabilities.»

Glein added, «Further work is needed to test whether these molecules are actually present. We also need complementary research assessing the abiotic background on K2-18b and similar planets. That is, the chemistry that can occur in the absence of life in this potentially exotic environment. We might be seeing evidence of some cool chemistry rather than life.»

The TRAPPIST-1 planets, he said, are being researched as potentially habitable, as is LHS 1140b, which he said «is another astrobiologically significant exoplanet, which might be a massive ocean world.»

As for K2-18b, Glein said many more tests need to be performed before there’s consensus on life existing on it.

«Finding evidence of life is like prosecuting a case in the courtroom,» Glein said. «Multiple independent lines of evidence are needed to convince the jury, in this case the worldwide scientific community.» He added, «If this finding holds up, then that’s Step 1.»

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