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Tracing the story of where we came from and when we became humans that not only look like us but think and behave as we do.

From seaweed to beavers, innovators use nature-based solutions to tackle climate change in surprising ways.

Justin Hougham, Director, Upham Woods Outdoor Learning Center, introduces high-tech, mobile instruments which can be used to measure various elements of the environment.

Binky finds out he's allergic to peanuts; Brain gets a lower-than-expected grade on his test.

Olive, Otto, Ms. O and Oscar navigate booby traps when trying to silence an alarm system; Olive and Otto have their own explanations as to why a case went wrong.

While kayaking in Australia, Martin and Chris see a platypus mother with her eggs.

The Hunters investigate a mysterious rain that happens with no clouds in the Indonesian rainforest.

Liana accidentally submits art that Stu made and feels guilty taking the credit for his work; Lyla and Luke perform an "Anansi" folktale puppet show.

Nico is tired of being mistaken for her twin sister; Carl is upset when Nico breaks the Lint Dinosaur Monday rules and makes a Lint Monster instead.

Daniel is excited to go to the pool for his swim lesson, but first Grandpere helps him with his morning routine; Miss Elaina does her bedtime routine.

Phoebe and Jay learn how to sort items; Phoebe and Jay learn how to make food labels, so everyone can participate in the potluck.

On a hot day, Abby creates a snowman to keep her and Elmo cool; when they return from finding decorations, their snowman has vanished.

Malik enters the Undergroundborhood to retrieve JunJun's favorite ball; the Wombats cheer up Buckley with balloons.

Panda helps Donkey prepare for her first eye exam; Donkey cheers herself on in the Music Marathon.

Rosie turns into a Super Kid for her nighttime job; Rosie helps out with the play at the community theater.

While helping Ms. Beaver construct a community garden the kids learn about rocks; Elinor tries to make her special dumplings all by herself.

Alma, Eddie and Junior play a late-night game with Steggie; Alma decides she wants to play piano.

Molly makes Grandpa Nat's secret nivagi recipe for the Qyah Ice Cream Competition; Molly helps Nina and Dr. Antigone band baby cranes.

Xavier and Brad turn to Florence Nightingale for help with curing Yadina's hiccups; George Washington Carver explains the importance of plants.

Touring the finished home, including historic details that were repaired and new elements that stayed consistent with its original style.

Clams casino; a flavorful seafood risotto with shrimp, mussels and squid.

The excavation begins with the discovery of a large brick-built oven; further investigations reveal it was part of a thriving commercial bakery.

The excavation unearths new finds; Miami University professor Steven Tuck joins the team to look for evidence of Pompeiians who may have survived the eruption of AD 79.

Olive, Otto, Ms. O and Oscar navigate booby traps when trying to silence an alarm system; Olive and Otto have their own explanations as to why a case went wrong.

Binky finds out he's allergic to peanuts; Brain gets a lower-than-expected grade on his test.

While kayaking in Australia, Martin and Chris see a platypus mother with her eggs.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

Visit the historic Northern Wisconsin State Fair in Chippewa Falls.

Anthony and Xose host a pop-up at Discada; Edgar and Sara invite friends to Xochimilco to celebrate their wedding; Beto reflects on his personal and family health issues while reconnecting with his roots in Mexico City.

The search for a missing chapter in a new book leads to murder.

The missing last chapter of a book may hold the secret to a mystery author's death.

A girl's body is found in a remote part of Norfolk; the postmortem seems routine, but shortly afterwards the senior biologist at the forensics lab is murdered; DCI Adam Dalgliesh and DS Kate Miskin are called in to lead the inquiry.

Another dead body is discovered, staged to look like a suicide; Dalgliesh and Miskin begin to untangle a web of rivalries and infidelities within the rural community, unearthing a killer with secrets to hide and tracks to cover.

On trial for his life in 1684, John Martin's case is not a simple one.