There's Always Something Worth Discovering.

Laundry symbols use five shapes: a tub for washing, a triangle for bleach, a square for drying, an iron for ironing and a circle for dry cleaning. What the numbers, dots, bars and crosses mean, and how US care labels differ from the international system.

Tennis is scored in layers: points win games, games win sets and sets win the match. Love, 15, 30, 40, deuce and advantage, how a tie-break works and who serves, the Grand Slam 10-point final-set tie-break, and shorter formats from the ITF rules.

Most fresh herbs last longest standing in a jar of water in the fridge, but basil is damaged by cold and belongs on the counter. Which method suits each herb, three ways to freeze herbs, how to dry them, how long they last, and why herbs in oil must stay cold.

Mbps means megabits per second and MB/s means megabytes per second. A byte is 8 bits, so divide Mbps by 8: 100 Mbps is 12.5 MB/s. A conversion chart, a download-time formula, streaming needs and the reasons downloads still run slower.

Metric prefixes such as kilo, milli and giga multiply a unit by a power of 10. The full chart of all 24 SI prefixes, the 2022 additions ronna and quetta, how to convert between prefixes, the writing rules, and why a 1 TB drive shows 931 GB.