Students gather to sing National Anthem together

Watch one runner's selfless act of kindness at the Boston Marathon

7-year-old’s first kickflip sparks epic father-son reaction

Humankind

Watch a teacher's lesson in kindness that reached millions!

Watch this emotional surprise for a mom on her 60th birthday

Watch this boy's emotional reaction when his stepdad asks to adopt him

Watch this special ed teacher get a huge retirement party surprise

Watch how strangers came together to help an elderly man with road troubles

Daughter travels to Vietnam to reunite with birth mom after 24 years (part two)

Watch students crown their principal prom king after heroic act

Watch this surprise reunion steal the show at a NHL game

Titanic superfan goes viral for hilarious reaction to seeing the Titanic Museum