Scotland play a brand of attacking rugby that can warm the heart, but cold-bloodedness is required, too. They are the great ...

With a cold-blooded killer, the cold-bloodedness is literally a lack of emotional consideration,” Cohen explained. “I don’t think that someone who feels deeply on an emotional level would be ...

Since the birth of paleontology, scientists have hotly debated whether dinosaurs were cold- or warm-blooded. It's been commonly suggested that warm-bloodedness was an avian innovation, something ...