New AI stethoscope detects heart conditions in seconds

In partnership with

New day … new week … new month … new batch of AI goodies! 🍟

🤯 MYSTERY AI LINK 🤯

(The mystery link can lead to ANYTHING AI-related: tools, memes, articles, videos, and more…)

Typing is a thing of the past.

Typeless turns your raw, unfiltered voice into beautifully polished writing - in real time.

It works like magic, feels like cheating, and allows your thoughts to flow more freely than ever before.

Your voice is your strength. Typeless turns it into a superpower.

Download for Mac today

🔨 AI TOOLS OF THE DAY

🗓️ Trace: The fastest AI calendar for people who hate planning. → Check it out

🙂 RealRoots: An AI to help women connect with new friends. → Check it out

NEW AI STETHOSCOPE CAN DETECT MAJOR HEART CONDITIONS IN SECONDS ❤️

What’s new? Doctors have developed an AI-powered stethoscope that can detect three major heart conditions—heart failure, heart valve disease, and abnormal rhythms—in just 15 seconds.

How does it work? Created by researchers at Imperial College London with California-based Eko Health, the smart stethoscope is about the size of a playing card. When placed on a patient’s chest, it records both heart sounds and an EKG reading. This data is uploaded securely to the cloud, where AI algorithms analyze subtle differences in heartbeat and blood flow that human ears can’t detect. Within seconds, results are sent to a smartphone, flagging whether a patient is at risk for serious conditions. In a large UK trial involving 12,000 patients, the device significantly increased early diagnoses compared to traditional methods.

Why is this significant? Early detection saves lives. Many patients with heart failure or arrhythmias are only diagnosed once dangerously ill. This AI stethoscope could give doctors a simple, fast tool to spot problems sooner, helping patients access lifesaving treatments before it’s too late.

WHATSAPP’S NEW AI CAN HELP YOU REPHRASE YOUR MESSAGES 💬

What’s new? WhatsApp has introduced “Writing Help,” an AI-powered tool that can rephrase, proofread, or change the tone of your messages while keeping them private.

How does it work? The feature is built into WhatsApp chats and shows up as a small pencil icon when typing. Tapping it brings up AI-generated alternatives that adjust wording or tone—ranging from professional to funny to supportive. For example, “Please don’t leave dirty socks on the sofa” could be transformed into “Please don’t make the sofa a sock graveyard.” Users can pick a suggestion, edit it further, and send once satisfied. Importantly, WhatsApp’s “Private Processing” ensures the AI never reads your original or rewritten messages, keeping everything end-to-end encrypted.

What does this mean? Writing Help makes messaging more expressive and polished, whether you need to sound formal, playful, or simply clearer.

ELON MUSK PRAISES GPT-5 FOR SAYING “I DON’T KNOW” 🤔

What’s new? Elon Musk is oddly praising OpenAI’s GPT-5 for taking 34 seconds to say “I don’t know.”

Want the details? Large language models like ChatGPT often struggle with “hallucinations,” where the AI generates answers that sound confident but are actually wrong. In this case, ChatGPT 5’s new “Thinking” model took 34 seconds before responding with: “I don’t know – and I can’t reliably find out.” Instead of fabricating an answer, it acknowledged its limits. This marks a shift in how OpenAI is approaching AI reliability. By teaching the model to stop when uncertain, OpenAI hopes to cut down on false information and make the chatbot more trustworthy.

Why is this significant? This kind of honesty in AI is a big step forward. In fact, one of OpenAI’s biggest critics, Elon Musk, called this “impressive.” By admitting when it doesn’t know something, ChatGPT avoids spreading misinformation and builds user trust. As AI tools become more common in daily life, that reliability could make or break whether people are willing to depend on them.

HAS AI REACHED SINGULARITY? CHECK OUT THE FRY METER BELOW:

Your feedback on these daily polls helps us keep the newsletter fresh—so keep it coming!

It’s go-time for holiday campaigns

Roku Ads Manager makes it easy to extend your Q4 campaign to performance CTV.

You can:

• Easily launch self-serve CTV ads

• Repurpose your social content for TV

• Drive purchases directly on-screen with shoppable ads

• A/B test to discover your most effective offers

The holidays only come once a year. Get started now with a $500 ad credit when you spend your first $500 today with code: ROKUADS500. Terms apply.

Get started today.