This week – the root of all happiness, intergalactic musicians, Obama's weed smoking crew and more.1619 – 1619 is a new podcast from The New York Times that re-examines the history and the present day consequences of slavery. The result is also highly personal. As host Nikole Hannah-Jones also weaves her own experiences into show.Uncover: Sharmini – Twenty years ago, 15-year-old Sharmini Anandavel disappeared on her way to a job that police believe didn't exist. Four months later, her remains were found in a Toronto ravine.The Open Ears Project – "Guitarist Miloš Karadaglić talks about "Lágrima," which Spanish composer Francisco Tárrega supposedly wrote as a response to the homesickness he'd felt while visiting London, England — an emotion Miloš connected with deeply when he moved to the same city to pursue his own career."Bandtastic – Bandtastic is a sci-fi musical adventure about the most popular band in the universe. Assembled by a super intelligent spaceship, D.E.B.R.A. and not so intelligent robot sidekick R.A.N.D.Y., the intergalactic musicians travel to new worlds with one goal - to solve all of their problems through their incredible songs.The Happiness Lab – Winning the lottery can ruin your life, while contracting an incurable disease can be 'a gift'. Dr Laurie Santos hears about dreams come true and nightmares realised, and talks with Dr Dan Gilbert about why human happiness isn't defined by these major events in the way we all assume.Great Moments in Weed History – Ever wonder what President Barack Obama was like as a pot-smoking teenager in Hawaii? This podcast digs deep into his time with his high school weed crew, the Choom Gang.Slumtown – A battle is brewing in Edmonton's inner city. Neighbours are terrified. Fights, overdoses and crime spill out from problem houses, many owned by a small group of people connected by one notorious landlord. CBC's Elizabeth Hames investigates.