Tour Harvard
Tour the campus
The Gates of Harvard
Roosevelt slept here


Events 2007
University Calendar
Commencement sights and sounds


Multimedia
Slides


Videos


Special presentations


This Week in
Harvard History

May 1964
The cornerstone of the Countway Library of Medicine is laid.

Science
May 17, 2007

Living on Martian time
Czeisler

Charles Czeisler and his colleagues have found an easy way to adjust the brain clocks of astronauts to the longer-than-24-hour days on Mars.

Staff photo Kris Snibbe/Harvard News Office

Making days longer than 24 hours

Addiction illuminates concept of ‘free will’

Forty percent of world lacks clean water, solutions sought

© 2007 The President and Fellows of Harvard College