• • Africa's vanishing herds

    Many of the herds of the Rift Valley highlands are falling in number - and scientists do not know why

    • In pictures: saving the Tarangire migration

  • Interview: Ingrid Betancourt

    The French-Colombian politician talks about the spiritual discipline that got her through captivity

  • Pregnant, two young kids under five ... and cancer

    Breast cancer among pregnant women is a growing risk needing tough decisions. Do you abort - or endanger your baby's health with a toxic onslaught of chemotherapy? Pamela Paul investigates

  • Daughters of the desert

    Rachel Cooke meets the Bedouin women 'unrecognised' by the Israeli government, whose homes have been destroyed by the army

    • In pictures: daughters of the desert

• • Wild West

    Kanye West's mother unexpectedly died last year; then he split up with his fiancee. His answer? An emotionally explosive new album
    

  • Just popping out for some bubbly

    Stephen Clarke heads to Champagne for bargains straight from the cellars

  • Beat of our feet can generate power

    Tiny generators turn the pulses of energy from all forms of human movement into electricity