In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.

All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.

Peoplewhodonotsleepenoughtendtobecomeirritable.

Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.

One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.