Tübingen, Germany. Johannes Krause reviews John Reader's history of paleoanthropology, a story of exciting discoveries, contentious disputes, and immense promise.

Humans are naturally fascinated by questions concerning our own origin, not just where we come from but what made us the way we are.

Washington, DC, USA. Rising care prices were the chief health care cost driver for privately insured Americans in 2010, according to data from three of the largest health plans.

The per capita spending on inpatient and outpatient facilities, professional procedures, and prescriptions drugs rose 3.3 percent in 2010 for beneficiaries under age 65 with private, employer-sponsored group insurance.

Zürich, Switzerland. Even a small amount of randomness can be amplified without limit, a finding with broad implications for physical and the biological sciences.

The effects of this research could be considerable, given the importance of understanding random mutations on human development. Currently, there has been no proof either that the world is purely deterministic and all randomness is due solely to a lack of knowledge about certain events, or that everything happens purely by chance.