see red

This breakthrough may finally explain why astronomers rarely see red supergiants explode, even though models predict they should account for most core-collapse supernovae.

Well, it didn’t take long for one of Mr. Insights’, well, insights to make people see red.

“As a shareholder and a car owner who had supported Henrik and his wife, I am seeing red,” Scott said.

Whether happy or sad, when hens get flustered they see red — and so do their farmers.

But while governments are seeing red - it's the fans who are paying the price, literally.