Is staying calm the greatest superpower? Nathan Newby saved lives by keeping cool under pressure. But some think that stress and anxiety have their own uses.
The hero hugger who stopped a terrorist
Crushing kindness: Nathan Newby saved lives by keeping cool under pressure and sharing a heartfelt moment with a troubled stranger. Glossary
Terrorist - Using violence or the threat of violence to create fear among a wide group of people.
Anxiety - A feeling of unease or worry. It can be mild or very severe.
Pulse - Momentary expansion of the arteries as blood is pumped through them. Like blood pressure, it can be used to tell when our heart is beating faster.
Philosopher - A thinker who comes up with ideas about big questions in life.