News & practical guides
English editions of our Korean articles. Each article links to its original; Korean laws, services and eligibility rules retain their original context.
Should You Wash Your Dryer Lint Filter After Every Use? What to Check When Drying Takes Longer
Does a dryer lint filter need to be washed with water after every use? Learn the difference between removing lint and washing away detergent or fabric softener residue, why drying times may increase, and when a washed filter can safely be reinstalled.
Why Do Windows Get Condensation at 50% Humidity? How to Use the 11.1°C Dew Point
Learn why window condensation can occur even when indoor humidity is 50%. At 22°C and 50% relative humidity, the dew point is approximately 11.1°C. Compare this threshold with window and frame surface temperatures to determine when ventilation, humidity control, or insulation inspection may be needed.
Windows 11 File Extensions Not Showing? How to Display Them in File Explorer
Learn how to show JPG, PDF, TXT, and XLSX file extensions in Windows 11 File Explorer. This guide covers the View and Show menus, the setting to hide extensions for known file types, the difference between extensions and hidden files, precautions when renaming files, and what to check when a file will not open.
QR Code Error Correction Levels Explained: Why 7%, 15%, 25%, and 30% Measure Data Recovery, Not Covered Area
QR code error correction rates of 7%, 15%, 25%, and 30% describe approximate data recovery capabilities based on total codewords, not the percentage of an image that can be covered. Learn how DENSO WAVE defines the four levels and calculates the 25% recovery rate.
South Korea's 2027 Milk Carton Recycling Rules: October Fines and What to Do Without Apartment Collection Bins
Separate collection of milk and soy milk cartons began voluntarily in South Korea in October 2026, with mandatory requirements scheduled for January 1, 2027, at apartment complexes subject to mandatory management. Learn when fines may apply, which residential buildings are covered, and how to dispose of cartons when dedicated collection bins are unavailable.
Mortgage Registered on Moving Day: Why a Korean Tenant's Deposit Can Lose Priority Despite a Certified Fixed Date
In South Korea, a tenant under a jeonse or monthly rental agreement may lose repayment priority if the landlord registers a mortgage on the same day the tenant moves in, registers their residence, and obtains a certified fixed date. As of October 25, 2026, under Korea's Housing Lease Protection Act, a tenant's enforceability against third parties generally begins at midnight on the day after both possession and resident registration are completed. Obtaining a certified fixed date earlier that day does not, by itself, give the tenant priority over a mortgage registered on the same day.
Can You Get Flu and COVID-19 Vaccines Together in 2026? Free Vaccination Dates and Intervals for Adults 65+ in South Korea
In South Korea, flu and COVID-19 vaccines can be administered on the same day during the 2026–2027 vaccination season. Learn about free vaccination eligibility for adults aged 65 and older, start dates for the 75+, 70–74, and 65–69 age groups, the minimum 90-day interval after a previous COVID-19 vaccination, precautions before and after vaccination, and how to find designated vaccination providers.
2026 Marriage Tax Credit in South Korea: No KRW 500,000 Credit for Marriages Registered in 2027
South Korea's 2026 marriage tax credit is based on the legal marriage registration date, not the wedding date. This explains why registration must be completed by December 31, 2026, the KRW 500,000 per-person credit, and how it differs from the proposed 2027 marriage support payment in the government budget plan.
Wakppu Ball Hazardous Substance Test Results: If a Child Uses One, Check the ‘Ages 14+’ Label and KC Mark First
A 2026 safety investigation of Wakppu Balls found MIT, CMIT, and excessive boron in some tested products. This article explains the results for eight Wakppu Ball products, what an ‘Ages 14+’ label means in South Korea, and why parents should check for the KC mark before allowing a child to use one.
Why You Should Never Sleep With a Tent Heater On, Even With a Carbon Monoxide Alarm
As of October 24, 2026, you should avoid sleeping with a fuel-burning heater or lantern running inside a tent even if you have a carbon monoxide alarm. An alarm is only an additional safety device that detects and warns of carbon monoxide; it does not eliminate the hazards created by combustion appliances. Because it is harder to recognize symptoms and respond while asleep, heaters should be turned off before sleeping.
How to Prevent Identity Theft After a Personal Data Leak in Korea: 3 Safety Blocks vs. Personal Information Exposure Registration
As of October 24, 2026, after a personal data leak in South Korea, changing passwords alone may not be enough. The three Safety Block services for credit transactions, non-face-to-face account opening, and open banking serve different purposes from the Personal Information Exposure Accident Prevention System. Safety Blocks preemptively stop specified financial transactions, while exposure registration shares the exposure status with financial institutions and restricts actions such as opening new accounts.
2026 Infertility Treatment Leave in Korea: Male Employees Eligible, 4 Paid Days from November 27 and Rules for Accompanying a Spouse
In South Korea, male employees can use infertility treatment leave in 2026 for their own infertility-related examinations, procedures, and other treatment. From November 27, the paid portion of the annual 6-day leave entitlement increases from 2 days to 4 days, while simply accompanying a spouse to a procedure is treated differently.
Lee Kang-in Atletico debut goal: on at 58 minutes, scoring at 70
Official records show Lee entering at 58 minutes and scoring at 70 in Atletico’s 2–0 win over Malaga. The strike later won LaLiga’s August goal award.
Korea Bogeumjari Loan for Newlyweds: Which Spouse Can Apply When Combined Income Exceeds the Limit?
For new applications submitted from October 19, 2026, a newlywed household in South Korea may satisfy the Bogeumjari Loan income requirement even if the couple exceeds the combined-income ceiling, provided the spouse applying for the loan has annual income of KRW 70 million or less. This guide explains how the applicant’s income and debt affect the loan limit and which conditions, including home ownership and preferential interest rates, are still assessed based on the couple jointly.
Can You Make Kimchi the Day After Salted Cabbage Delivery? Refrigerator vs. Balcony Storage
You may be able to make kimchi the day after receiving salted napa cabbage, but one day of storage does not automatically mean it is safe. As of October 23, 2026, South Korea's Ministry of Food and Drug Safety recommends using salted cabbage on the day it arrives. If kimjang is postponed until the following day, check the product's refrigeration requirements and actual storage duration. A cool balcony is not equivalent to a refrigerator.
South Korea Daycare Waitlist: How to Keep Your Place Within 7 Days After Enrollment
In South Korea, parents must request an extension within 7 days of the notification to keep other daycare waitlist applications active after enrolling a child. Learn how to restore a canceled application within 3 months, whom to contact after the restoration deadline, and how many daycare centers a child can waitlist for.
Black Flakes on Laundry After Cleaning Your Washing Machine? Causes, Residue vs. Mold, and Solutions
If black flakes still appear on your laundry after cleaning the washing machine drum, check for leftover debris, detergent and fabric softener residue, and internal contamination. Learn how to inspect filters, rinse the drum, repeat the cleaning cycle safely, and determine when professional servicing is necessary.
iPhone Battery Draining Faster After an iOS Update? When to Wait and When to Troubleshoot
Learn how to distinguish temporary battery drain and warmth after an iOS update from problems that require further investigation. This guide explains how to check update-related background activity, app-by-app battery usage, and battery health on your iPhone.
Galaxy Battery Protection Set to 80% but Charging Stops at 79%? Why It Resumes at Around 78%
Learn why Samsung Galaxy charging may stop at 79% with Battery Protection set to 80%, why charging resumes at around 78%, how to adjust charging limits in One UI, and when to troubleshoot a possible charging problem.
Dash Cam Battery Keeps Dying Despite Low-Voltage Cutoff? Check the Last Parking Recording Time
If your car battery keeps dying even with your dash cam's low-voltage cutoff enabled, start by checking when parking-mode recording actually stopped. Learn how to check the cutoff voltage, recording timer, battery condition, and hardwire power connections.