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0:38
Celeste Headlee says Florida wildlife is being devoured by an invader.

0:28
Why Congress is helping poor families move to new neighborhoods.

1:18
David Luxton was hired by the military to examine an emerging suicide crisis.

0:37
Messages of compassion and empathy showed promise in the 1960s.

1:13
June Tourangeau discusses her work with lead-poisoned children.

0:48
Daphne Melissa McClendon talks about teaching high school sex education.

0:37
In this studio scene the hosts discuss sex education in schools.

0:47
Just like in the past, HIV is striking communities that are overlooked.

1:02
A twist changes the impact of the public’s understanding of the case, and leads to 911.

0:41
DNA data are helping the police to close cold case files.

0:50
A decades-old cold case was recently solved using DNA data.

0:37
In a twist, Dungeons and Dragons is now seen as a solution to screen time.