Archaeologists studied hundreds of unfinished stone heads in a quarry on Easter Island to better understand how they were constructed and the society that made them.

As growing temperatures endanger worker wellbeing, three factories in Cambodia and Vietnam are treating cooling as an operational imperative.

Landslides triggered by heavy rainfall have killed at least 20 people in southern Tanzania in recent days, authorities said, as the death toll from across the wider East African region continues to rise. Rainfall and high winds caused landslides that destroyed houses early Wednesday in the Mbeya region, said Jaffar Haniu, administrator for the Rungwe district where the landslides happened.