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A look at whether giant asteroid impacts were actually essential for the creation of life on Earth.

The investigation into secret network of curators and dealers that made profits off art stolen by the Nazis.

Do aphrodisiacs really work? How to speak openly with your partner, and a women's sexual health coach has advice on how to improve your sex life.

A Cuban family adjusts to life in the United States.

The Eiffel Tower; cruising the Seine; visiting the market for fresh food and flowers; window-shopping in Paris; a nighttime ride through the city.

Buster learns how to keep a secret; the gang finds a fortune telling game and gets a hint of what their futures might hold.

As Jimmy Jam's Scrambler Machine scrambles Odd Squad communication, the villains plan to unleash oddness; Dr. Dry steals the Sandbeast's golden egg.

Chris and Martin find a black and yellow salamander crawling out of the fire in Germany's Black Forest.

After a groundhog predicts more winter weather, Benny is convinced he will have snow on his birthday so he plans a snow-filled birthday party.

Lyla and Luke make a hamster playground; the Loops family embarks on a journey to figure out why Stu keeps beeping.

Sheldon can't wait for Carl to play his favorite beach game; Lotta and her friends search for Lotta's lost blanket.

Prince Wednesday doesn't want to stop what he is doing to go to the bathroom; Daniel uses the bathroom at Music Man Stan's Shop.

Rosie tries to make tomorrow come faster so she can go to the Dino Park; Rosie looks for her missing walkie talkies.

Elmo tries to find something to do in the rain, while he waits to jump in the puddles.

Zadie must face her fear and go to the barber for a haircut; Malik discovers smart devices have limitations.

Cousin Hodie wants to play with Donkey on a tree swing; Duck Duck's new book club book is too huge for her and Donkey to read.

Pinkalicious and Peter build a snow alarm so they don't miss out on playing in the cold; Pinkalicious earns a ribbon for her good deeds.

Elinor gives Hazel some strawberry seeds to grow at home; the Exploring Club goes on a musical march in the forest.

Alma and her friends judge a Best Bronx food truck contest; Alma and Junior are excited to play restaurant in their backyard, until Howard opens a competing restaurant.

Xavier travels to meet his heroes Christopher Reeve, Kitty O'Neil, Oprah Winfrey and his great great grandfather.

An Alaska belt buckle circa 1975; an Elvis Presley King Creole movie poster; Stephen Decatur warrant and commissions from 1798-1804.

The crew starts one of its oldest projects yet -- a first period home in Ipswich, Mass.; salvaging the old floorboards before demo begins.

Twenty one-year-old lung cancer patient Jill Costello's desire to help find a cure and eradicate the stigma that only smokers contracted lung cancer, would eventually define her legacy.

From understanding your blood pressure numbers to managing cholesterol effectively.

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.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day, along with news-making interviews and analysis from BBC correspondents around the globe.

Weight loss myths; women and heart disease; mental health stigma.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

British General Howe defeats General Washington, forcing the Americans to abandon New York; Washington's army regroups in New Jersey before attacking an outpost at Trenton.

Professor and historian Geraldo Cadava explores the history of Hispanic American voters from the 1960s to the present.

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