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From BBC World Service's "The Compass," scientist Liz Bonnin offers a deep dive into the Earth's oceans. From Mauritius to Alaska, the Philippines to Cape Town, she shares stories of people who make a living from the sea and its wildlife, capturing the powerful ties that bind so many of us to the awesome majesty of the oceans.

Join us this Sunday, April 15 at 7 p.m. and again on April 29 at 7 p.m. for this two-part series in celebration of Earth Day.

Oswego, NY – Ash Sangha may have the most interesting elected student position on the planet. As the President of the Oxford Union Society, he meets the worlds' top political and business figures, and major celebrities, as well as presiding over the famous Oxford Union debates. In this conversation, he discusses how the debates work, their role in British society, and the cultural differences between the U.S. and U.K. when it comes to high-spirited but reasoned and polite political debate.