20 things you can learn in 10 minutes instead of doom scrolling 1. Learn the Rule of 72 💰 • Want to know how long it takes your money to double? • Divide 72 by the annual return • 8% return → about 9 years • A simple way to understand compound growth 2. Learn 3 keyboard shortcuts you’ll actually use 💻 • Cmd/Ctrl + F → find anything on a page • Cmd/Ctrl + Shift + T → reopen a closed tab • Cmd/Ctrl + L → jump to the address bar 3. Learn how to calculate discounts in your head 💰 • 10% off → move the decimal one place • 20% off → double that • 25% off → divide the price by 4 • Now you know if that “SALE” is actually worth it 4. Learn 3 Google search tricks 🔎 • " " → search an exact phrase • - → exclude a word • site: → search only one website • Stop scrolling through 10 pages of results 5. Learn how to remember something without rereading 🧠 • Read it once • Close your notes • Write down everything you remember • Open them again and check what you missed • That’s active recall 6. Learn how much a small purchase costs you in a year 💰 • $5/day = $1,825/year • $10/week = $520/year • Multiply daily spending × 365 • Sometimes “it’s only $5” adds up fast 7. Learn how to estimate miles and kilometers 📏 • 1 mile ≈ 1.6 km • 5 miles ≈ 8 km • 10 miles ≈ 16 km • One conversion you’ll use forever 8. Learn how to find PDFs instantly 📚 • Search your topic + filetype:pdf • Example: study habits filetype:pdf • Great for reports, textbooks, research, and class materials 9. Learn how to calculate 15% in your head 🧮 • Find 10% • Find half of that = 5% • Add them together = 15% • $80 → $8 + $4 = $12 10. Learn the 2-minute rule ⏱️ • If something takes less than 2 minutes, do it now • Reply to that email • Put the file away • Book the appointment • Don’t turn tiny tasks into tomorrow’s to-do list 11. Learn how to tell if you actually understand something 🧠 Close your notes and ask: • Can I explain it without looking? • Can I give my own example? • Could I teach it to someone else? • If not, you probably recognize it—you don’t know it yet 12. Learn what 50/30/20 means 💰 A simple budgeting framework: • 50% → needs • 30% → wants • 20% → saving / debt • You don’t have to follow it perfectly—the point is to give your money a job 13. Learn 5 abbreviations you’ll see everywhere in academic writing ✍️ • e.g. → for example • i.e. → in other words • et al. → and others • vs. → versus • etc. → and so on 14. Learn how to screen a research paper in 10 minutes 🔬 Don’t start on page 1. Check: • Title • Abstract • Figures / tables • Conclusion • Then decide whether it’s worth reading properly 15. Learn how much something costs in hours, not dollars 💰 • Price ÷ your hourly income = hours of work • $120 item ÷ $15/hour = 8 hours • Ask yourself: Would I work 8 hours for this? 16. Learn a better way to name your files 📁 Use: date + project + version • 2026-08-18_Resume_V2 instead of: • resume_final_FINAL_new2.pdf 😭 17. Learn how to make a better AI prompt 🤖 Give it 4 things: • Context → what’s going on? • Task → what should it do? • Format → how should it answer? • Constraints → what should it avoid? 18. Learn how to convert kg and lb quickly ⚖️ • 1 kg ≈ 2.2 lb • 10 kg ≈ 22 lb • 50 kg ≈ 110 lb • For a rough estimate, just double it and add a little 19. Learn how to fact-check something in 3 steps 🔍 Before believing a viral claim: • Find the original source • Check the date • See whether another reliable source says the same thing • “I saw it online” isn’t a source 20. Learn what 30 minutes a day becomes in a year ⏳ • 30 min/day × 365 • = 182.5 hours • = more than 7.5 full days Save this. Next time you catch yourself doom scrolling, pick one instead:) #study #studytok #students #unilife #studymethod — @studyroomwithcのTikTok