Melvin “Mel” King, a political activist and pioneering Black candidate for mayor of Boston, has died at 94. In 1971, he founded the Community Fellows Program, which “brings leaders from minority communities to MIT for a year of research and study,” the Boston Globe wrote.

Engineer Michael Sefton ’74 is working on developing a cell-based treatment that would eliminate the need for insulin injections for people with type 1 diabetes, in which the pancreas produces little or no insulin.

When multiple drones are working together in the same airspace, there’s a risk they might collide. But now AeroAstro researchers have created a trajectory-planning system that enables drones in the same airspace to always choose a safe path forward.

Following an influential career at NASA, Ezinne Uzo-Okoro SM ’20, PhD ’22 now shapes space policy as a top White House advisor. “I just keep putting one foot in front of the other and I encourage everybody else to do the same,” she says.

A new low-cost air-quality sensor can be 3D printed using open-source instructions and used by people around the world. “The reason we started this project was because we wanted to democratize environmental data,” Simone Mora told Fast Company.

Concrete is an important contributor to global carbon dioxide emissions. Work from CEE shows that adding new materials into existing manufacturing processes could significantly reduce this carbon footprint, without altering concrete’s strength.