After years spent in dark comedy clubs and cramped rooms above pubs, Mary O’Hara knows what makes her laugh. But what else can a good joke do? She meets the performers and researchers who say that comedy can change how we think and even how we act.
Furrowed brow; thinned lips; flared nostrils. If you’ve ever rubbed someone up the wrong way, you’ll know that the signs of anger are hard to miss. Now, psychologists have discovered why this 'angry face' has evolved.