45 minutes

September 12, 2025

That’s how long it took for exercise to turn blood into a cancer fighter. In a new Edith Cowan University study, breast cancer survivors who did one high-intensity workout (seven HIIT rounds) had post-exercise blood that slowed or killed tumor cells in the lab. For the first time, scientists show exercise itself can deliver direct, drug-like anti-cancer effects (paywall link). I hate cancer.

Tags: cancer, exercise, Link, scientists, study

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⚡️ 3-second tech genius: Trying to close an app fast? Press Alt + F4 on Windows or Cmd + Q on Mac. It shuts the whole program. I use it when I’m stuck on a loading screen.

📧 Let Gmail give you nudges: Go to Settings > See all settings > General > Nudges. Toggle on Suggest emails to reply to, so unanswered questions resurface at the top of your inbox. Then toggle on Suggest emails to follow up on to remind you when someone hasn’t replied to your message.

Screenshot and record on Windows 11: For quick screenshots, press Windows key + Shift + S to open the Snipping Tool, then drag to capture the area you want. For recording, press Windows key + Shift + R, select the area you want again, and hit Start.

Check app permissions on Mac: New apps often ask for access to your files, microphone or location. Go to System Settings > Privacy & Security, then check sections like Location Services, Contacts, Photos and Camera. You can disable access on an app-by-app basis.

⚡️ 3-second tech genius: Want to select everything on a page or document instantly? On Windows, press Ctrl + A, or on Mac, use Cmd + A. No more dragging your mouse to the bottom.

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📶 Check your internet speed: Strong Wi-Fi doesn’t always mean fast internet. Run a test and check your download speed. For 4K Netflix, you’ll need 15 to 25 Mbps down. If the whole family’s streaming, gaming and scrolling, 100 Mbps or more will keep the peace. Upload should be at least 10 Mbps, too.

Apple targets you with ads: Apple feeds you ads in the App Store, News and Stocks. They’ll tell you it’s “privacy-friendly.” Turn it off on your iPhone: Settings > Privacy & Security > Apple Advertising > Personalized Ads. Done.

👨🏻‍💼 Prep for interviews with ChatGPT: Use Voice Mode and ask it to play the role of a recruiter. Tell the bot the position and responsibilities from the job ad, then have it ask potential questions one at a time. Ask for follow-ups to add more pressure. Good way to calm those pre-interview nerves.