WENH-DT

How the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

Rising sea levels threaten tiny Tangier Island in the Chesapeake Bay off the coast of Virginia.

A hit-filled tribute to master songwriter, storyteller, musician and performer Jimmy Webb, whose hits include "Up, Up and Away," "Wichita Lineman" and "By the Time I Get to Phoenix.".

Good American founder Emma Grede, Creative Director of SKIMS, shares advice for scaling a business and the non-negotiable she thinks all women need to achieve at their highest level.

An energetic workout focuses on shoulder range of motion and improving head-eye coordination; a calming visual relaxation.

A standing and barre workout to strengthen and tone the legs without causing injuries, activating and strengthening the leg muscles in a safe and balanced way.

Arthur becomes sick of Buster being a hero after his best friend rescues a cat; D.W. plays her favorite CD over and over again.

Omar has plans to surprise Orla with a 500th birthday party; the team accidentally gets locked out of its van.

The gang sees the rare Spirit Bear of the Northern Pacific while looking for black bears.

The kids learn what colors make up a rainbow just in time for a Mother's Day surprise.

Lyla and Everett design a waffle costume for Stu; Lyla creates an original game to reignite everyone's interest in family game night.

Forrest can't wait to try everything at the Fuzzytown Friends Picnic, but gets into trouble when he is unable to wait his turn; Carl hosts a Super Blue Moon Sleepover.

Daniel and his friends help rebuild Music Man Stan's scene after a gust of wind knocks it down; Daniel and his friends try new games at Fall Field Day.

The Shuffler mixes everything up at show and tell; The Shuffler and The Eraser team up to put on a show that goes very wrong; a high-flying hang-gliding adventure is interrupted.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Cookie Monster tries to bake a new cookie for Elmo; Abby and Grover solve a puzzle of their own.

Zeke and Louise plan to build a house for Snout; Kaya hopes to make a video once JunJun conquers his on-camera jitters.

Cousin doesn't always like the way his new pet plays; the pals prepare for a silly weather event.

Rosie and Javi want to play Abuela's song for Music Night at Tia's Restaurant; Rosie wants to be an inventor.

Elinor, Ari and Olive play Snow Tag with their new friend, Gael the lynx; Ari makes friends with a rock.

Grilled chicken with adobo and sazón; a head-to-head tasting of medium jarred salsa; Puerto Rican sweet plantain and picadillo casserole.

The best of Portugal features Lisbon's Fado singers and ornate architecture, and the Algarve's windy Cape Sagres and pristine beaches.

Actors LeVar Burton and Wes Studi, two men who grew up without their fathers, explore their family histories.

A military intelligence school in Minnesota trains more than 6,000 Japanese Americans to be translators, interrogators and Japanese military specialists during World War II.

Contemporary footage, archival video and photographs chronicle the Allies' campaign to take Italy.

How to identify and label home circuit breakers; lathe turning; turning a segmented bowl.

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.

Maine's Nubble Light; Revolutionary-era print shop Edes & Gill in Boston's North End; cannoli from Modern Pastry Shop; Farmhouse Pottery owner James Zillian.

Bee life on the farm; baking a honey cake; Moss Mountain Farm "contentment" tea, brewed from holly grown at the farm.

New England outdoor adventures including disc golf, a beloved New Hampshire summer camp and an all-women sailing crew.

Exploring the strength, identity and empowerment of Indigenous women and communities in "Healing Ribbons: One Stitch at a Time" and "Respected by Her People.".

A look at how America's national mammal, once numbering in the tens of millions, was driven to the brink of extinction.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Two window experts use one original window to repair another original window; building a cedar bracket to support the roof; a factory that fabricates pine flooring from salvaged wood.

The evolution of smart home tech; installing a smart privacy film on a window; designing a Santa Fe garden walkway.