The dry spell in 2005 came even as spending on research by the industry reached a new high, passing $38 billion.

"It was almost like a 1950's spell comes over you when you're in that place," she said.

The spells come on him and he cannot help himself.

The blue spells never came at a time of real crisis.

He began to hum and wave his hands in the air so I knew a spell was coming on.

A little work discovered the impossible: the spell came from a dead man.

After that day, a long spell of cool and cloudy had come in.

A spell to make things come to fruition very quickly.

And when she woke up the next morning, the long, hot, dry spell had come to an end.

When sad spells come on for no reason and don't let up, it can be a sign of depression.