Out of This World

MIT Professor and Fellow at the Radcliffe Institute for Advanced Study MARIA T. ZUBER delivers a speech entitled “Climate Change and the History of Water on Mars” at Longfellow Hall yesterday.

ISLAMIC AWARENESS WEEK

On the steps of Widener Library, students called passerbys to join in prayer to kick off Islamic Awareness Week.

Solitary Stance

SARAH D. REA ’06, left, and GREGORY M. SCHMIDT ’06 take part in a demonstration, sponsored by the Harvard Progressive Advocacy Group and the Harvard Students for Prison Reform, intended to raise awareness about solitary confinement.

POLICY DEBATE

JOHN BRADY KIESLING, former U.S. abassador to Greece, delivers a speech entitled “Exit, Voice, Loyalty and U.S. Policy on Iraq” to a crowd that filled Harvard Hall 201.

PETER SINGER tells listeners that animals can feel pain and must be treated as entities, not objects, in Adams House yesterday.

SOLITARY STANCE

Professor of Law CHRISTOPHER F. Edley Jr. 78 presented his views on affirmative action last night at the Kennedy School of Government.