We hear from Marty Martinez, Chief of Health and Human Services for the City of Boston. And WBUR Senior Correspondent, Deborah Becker, who has spent the day at Mass. and Cass.

In his new book, "The Brain Under Siege: Solving the Mystery of Brain Disease and How Scientists Are Following the Clues to a Cure", Dr. Howard Weiner explores the so-called crime scenes of five brain diseases: Multiple Sclerosis, Parkinson's, Alzheimer's, ALS and Glioblastoma.

Plus, we dissect what different stakeholders have to say about the crisis at Mass. and Cass, and if parents in the Commonwealth will sign their kids up to get vaccinated.

We check in with WBUR Senior political reporter Anthony Brooks, and WBUR Senior State House reporter Steve Brown, who have each been out talking with voters at polling locations across the city.

The industry surrounding horseshoe crabs' valuable blood has taken on new significance amidst the race for coronavirus vaccines.

In his new book, "The Contagion Next Time," Dr. Sandro Galea takes stock of the world's health before COVID-19, and where we are now as we look to future threats.

We sit down with WBUR Health Reporter Gabrielle Emanuel to discuss what the vaccine roll-out for kids might look like.

Plus, we get the latest on the state's plan for its vaccine rollout for kids ages 5-11, and learn how horseshoe crabs play a pivotal role in the development of medicines, including the COVID vaccines.

Katjana Ballantyne is one of 34 mayors elected this week, and one of the eleven new mayors. That means the face of our region is changing. We'd like to get to know some of those new leaders, so we invited Mayor Elect Ballantyne to join us.

Massachusetts Senator Ed Markey is heading to the UN's climate change conference, even as climate funding and the rest of Democrats' Build Back Better agenda still hasn't passed here at home.