News
- Earth
Lake Retreat: African river valley once hosted big lake
The valley of the White Nile in Africa may long ago have held a shallow lake that sprawled 70 kilometers across and stretched more than 500 km along the river.
- Chemistry
The March of History: Terra-cotta warriors show their true colors
As archaeologists continue to excavate the famous Chinese terra-cotta warriors, a new restoration technique could preserve the figures' paint coats, which normally peel off when exposed to the elements.
- Health & Medicine
Fetal Risk: Inflammation in womb tied to cerebral palsy
For a pregnant woman carrying a baby to term, inflammation in the womb nearly quadruples the chance her baby will be born with cerebral palsy.
