Marine second-lieutenant Patrick Callahan serves in the University of Michigan’s Naval ROTC program. Michigan Today asked Lt. Callahan to describe the impact of the 9/11 attacks on his military experience.

Steve Fetter was working in the financial district of Manhattan on 9/11. What he saw that day transformed his life completely. Here is a pair of excerpts from his play about the day and its aftermath, “A Blue Sky Unlike Any Other.”

When alumnus Bill Sparrow decided to kayak the entire length of the Mississippi River, he and his wife Laura expected adventure. But they didn’t expect a whole new understanding of their country, its grandeur and its people.

From John F. Kennedy to Barack Obama, presidents have challenged University of Michigan students to change the world.

Plus: Kids these days: How involved is this generation?

Last month, we told you about the U-M Human Trafficking Clinic, which works to protect the victims of modern-day slavery. Now the clinic, with help from the US State Dept., is opening a new clinic in Mexico. There, law students from U-M and Mexico will work to stop human trafficking from across the border.

Video: U-M law prof Bridgette Carr is fighting against the world’s second – biggest criminal enterprise.

Even the youngest Holocaust survivors, like Dr. Emanuel Tanay, are reaching their 80s. What does it mean to have lived, and to remain a witness to one of history’s great atrocities?

U-M professor Ricky Rood, an expert in world and regional climate issues, calls Pakistan’s catastrophic flooding “a case study of climate disaster.”

She won a Pulitzer Prize for uncovering tragic events at a New Orleans hospital following Hurricane Katrina, but that was just one small part of a remarkable career.