Expert in maternal and infant health Amy Brown confronts the reality behind her research, and a first-grade Cassie Soliday strives to be one of the "smart kids."

12-year-old Jirard Khalil's mother suddenly starts acting strangely, and a teacher’s social experiment traps fifth-grade Ben Lillie in an ethical dilemma.

ER doctor Bess Stillman treats a patient with an interesting dilemma, and teenage Brendan Bane becomes obsessed with collecting poisonous pets.

Developmental biologist Pamela Feliciano tries to understand her autistic son, and science writer Katharine Gammon thinks she's gone into labor though her doctor says she hasn't.

As a college student Sarah Demers gets a job working on a particle detector, and Katy Rodriguez-Wimberley tries to find her place after being discouraged from science.

Bryony Tilsley's family faces a challenge while planning an astronomy event, and David Baron Eclipse chaser David Baron discovers the real magic behind a total solar eclipse.

Environmental engineer Siddhartha Roy discovers unsafe water in Flint, Michigan, and sociologist Ada Cheng studies human rights violations in Hong Kong.

Geneticist Sebastian Alvarado tries to recreate comic-book science, and third-grader Danny Artese decides to become a plant.

Blind athlete Simon Wheatcroft finds a way to run marathons by himself, and computer science student Dale Markowitz goes all-in on an ambitious project.

Neuroscientist Qi Lin can’t escape her scientific mindset, and attorney Michael Perlin makes a startling discovery while interviewing prisoners who are unfit to stand trial.