29/30 Astronomers in the past decade have tried to find other planets like Earth in the universe
4/5 Liberated by her success, Pearl's private life nonetheless begins to fall apart.
Writer Brian Keenan chooses Bernardo O'Higgins, who liberated Chile in the 19th century.
Tony Phillips recalls a memorable performance by Afro-American contralto Marian Anderson.
30/30 Heather Couper considers the prospects of life being found elsewhere in the solar system.
5/5 As she enters a frail old age, Pearl Buck continues to shock and surprise her friends.