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It’s Friday, March 15 – From HPR2 on Oahu and celebrating the 20th anniversary of the Keck Observatory on Hawaii Island, it's  The Conversation.

Ice ice ocean.

Mike Brown is the Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology and has been on the faculty since 1996. He specializes in the discovery and study of bodies at the edge of the solar system.  He's best known for his discovery of Eris, the largest object found in the solar system in 150 years, and the object which led to the debate detailed in his memoir, "How I Killed Pluto and Why It Had It Coming."

Sure you can use the car tonight-- If you can design it...!

Tori Natividad is a student at Sacred Hearts Academy and a member of the Real World Design Surface Transport Challenge team.   The team is headed for a national competition.

Beach blanket plastic: Japan's tsunami two years later...

Megan Lamson is a marine biologist. She studies coral reef fish, community-based management and coastal restoration projects. She began working with Hawai'i Wildlife Fund in 2008 to help coordinate the Hawai'i Island Marine Debris Removal and since the Japan tsunami two years ago, she has been working to remove that debris, too.

Steppin' out with Saint Paddy O' Shinsplints.

Sarah Nash and her dance troupe, the Whirligigs, will give a Saint Patrick’s Day performance at the Lava Lounge at Kilauea Military Camp in Volcano this Sunday, St. Patrick’s Day, from 5:30 p.m. to 7:30 p.m. The lounge is in Hawaii Volcanoes National Park.

Plus international news from Deutsche Welle, twin bubbles on one peak and today’s reality check … Next the news…