The terms weight and mass are often used incorrectly. Phrases like ‘a bag of sugar weighs 1 kg’ are not scientifically correct. This means that a 1 kg mass would be attracted to Earth by a force of 10 ...

The terms weight and mass are often used incorrectly. Phrases like ‘a bag of sugar weighs 1 kg’ are not scientifically correct. This means that a 1 kg mass would be attracted to Earth by a force of 10 ...

Every activity has a value called a "MET value" which calculates the energy required for that activity. Multiplying MET value by weight in kilograms tells you calories burned per hour. You can look up ...

Knowing how many calories you burned on a run isn’t required. Calorie-counting can foster a complicated—and sometimes unhealthy—relationship with food and exercise. When you go for a run, you know you ...