Amy Winehouse performs during the 46664 concert in celebration of Nelson Mandela's life at Hyde Park on June 27, 2008 in London. Sadness takes on different forms, from regret to depression to loss; ...

It’s not because they make us sad but because they help us feel connected, a new study suggests. Credit...Pablo Delcan Supported by By Oliver Whang When Joshua Knobe was younger, he knew an indie rock ...