February 23, 2019

Why do people believe in ghosts?

Researchers who study the paranormal (or phenomena beyond the boundaries of science) believe that people leave behind energy when they die – especially when they die […]
February 23, 2019

Why do we say “tip of the iceberg”?

When we know only a little bit about a big problem, we say it’s just the tip of the iceberg. Icebergs are typically huge. Some are […]
February 23, 2019

Why do we say “blind as a bat”?

Because many bats hunt at night and rely on a sonar system to “see” using reflected sound waves – a system known as echolocation – people […]
February 23, 2019

Why do we say “butterflies in my stomach”?

It is a familiar sensation to anyone who has faced a pop quiz, given a speech in front of classmates, or asked a special someone on […]