Health and Science

The letters are deeply descriptive and reveal familiar emotions. A father in 1820 pleads for his sick daughter, “Pray send out Dr. Carmichael to me immediately — as I consider her to be in great danger. Delay not a moment, for her life and my happiness depend on it." more »

Elaine Soloway writes: "The application for benefits required a copy of Tommy’s separation papers, medical evaluation from a physician, and current medical issues. The Air Force papers were in my hand. His diagnosis of Primary Progress Aphasia was filed in the folder marked 'Brain'."  more »

New research from Harvard School of Public Health suggests that seemingly small changes in summer temperature swings — as little as 1°C more than usual—may shorten life expectancy for elderly people with chronic medical conditions, and could result in thousands of additional deaths each year more »

Imagine that a “time machine” allowed you to go back in time — back exactly 64,999,995 years ago, just five years before the crash of the meteor that marked the end of the Age of the Dinosaurs. You have just enough time to do your field work, analyze your data, and write your Ph.D. dissertation. more »