ZeroGLabs blog
Guides, routines and how-tos for the Android apps we make, based on research and written to answer the questions people actually ask.
SquaredHow to Split Expenses on a Group Trip: A 4-Step System That's FairSplit group trip costs fairly: agree on rules before booking, sort shared, partial and personal costs, log them daily and settle up once at the end.
NotchGLP-1 Injection Site Rotation: Where to Inject and How to RotateWhere weekly GLP-1 shots go per the official labels, how to rotate between and within areas, which skin to avoid, and a simple weekly pattern.
MurmurHow to Tell If You Snore: Signs, Recording Tips and When to WorryClues you snore when you sleep alone, how to record a few nights and read the results, and the sleep apnea signs that mean you should see a doctor.
AtomapElectronegativity Trend in the Periodic Table: Across, Down and WhySee how electronegativity rises across a period and falls down a group, with Pauling values, the exceptions and what they say about bonds.
RipePomodoro Technique for Studying: Sessions That Help You RememberUse the Pomodoro technique for studying with a four-round plan, review dates based on spacing research, subject labels and a 10-minute weekly check.
MurmurHow to Record Yourself Sleeping: Phone Setup and Morning ReviewRecord yourself sleeping with a phone: where to place it, how to charge it safely, how to set sensitivity, keep clips private and review the night.
Ripe25/5 vs 50/10 Pomodoro: Which to Use for Each Kind of Task25/5 or 50/10? See what break research does and doesn't show, which length fits each kind of task, and how to test both on your own work in two weeks.
AtomapHow to Calculate Molar Mass: Steps, Examples and Mass PercentCalculate molar mass in four steps, with worked examples for water, glucose and table salt, CIAAW atomic weights and mass percent.
MurmurWhy Do People Talk in Their Sleep? Causes and When to WorryWhy people talk in their sleep, how common it is in children and adults, what triggers it, and the signs that make it worth seeing a doctor.
AtomapHow to Read the Periodic Table: Cells, Groups, Periods and BlocksLearn what every number in a periodic table cell means, how groups, periods and blocks work, and how to read any element's position, with worked examples.
RipePomodoro Technique: How the 25/5 Cycle Works and How to Start TodayWhat the Pomodoro Technique is, where it came from, how to run the 25/5 cycle with a long break, what research shows, common mistakes and how to start today.
RestworkRun Walk Method for Beginners: An 8-Week Plan You Can FollowHow the run-walk method works, which ratio to start with, a week-by-week 8-week plan, and how to time it with voice cues, not your screen.
RestworkHIIT Work to Rest Ratio: When to Use 1:2, 1:1 or 2:1 (With Presets)What 1:2, 1:1 and 2:1 work-to-rest ratios mean for HIIT, which one fits your level and goal, what studies say about rest, and six timer presets to copy.
RestworkNorwegian 4x4 Workout: How to Do 4-Minute Intervals the NTNU WayHow to do the Norwegian 4x4 workout from NTNU research: heart rate targets for 4-minute intervals, 3-minute active rest, a 40-minute plan and timer setup.
RestworkEMOM Workout Guide: Pick Reps That Leave Rest, Plus EMOM 10 and 20What every minute on the minute means, how to choose reps so you still get rest, two sample EMOM workouts (10 and 20 minutes) and how to time them.
RestworkHow to Do a Tabata Workout: The 20/10 Timer Setup That WorksWhat the original Tabata study really tested, how beginners can build up to 20 seconds on and 10 off, and how to set up the timer in a minute.