The Global Insight.

Informed perspectives on world events and diverse topics

Archive: Health

// health

How long will a concrete pool last

A well-maintained concrete pool should last around 50 years or more. And a well constructed in-ground concrete swimming pool should last a lifetime. But, a

31 Mar 2026 1 READS
// health

How do submarines go up and down

A submarine (or any boat) can float when the mass of water that it displaces (pushes out of the way) is equal to the mass of the boat. This displaced water

31 Mar 2026 0 READS
// health

How does ear wax work

Special glands in your ear make secretions that combine with dead skin cells to form earwax. The earwax travels with slowly growing cells of your skin. Over

31 Mar 2026 0 READS
// health

When did King Henry II die

Henry II was succeeded by his sons Richard I (1189-99) and John (1199-1216). John was succeeded by his son Henry III (1216-72).

31 Mar 2026 0 READS
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