An escalating Ebola crisis in Congo reveals the virus is rapidly spreading, with the response effort only just beginning to take shape.

• In City at Center of Ebola Crisis, ‘the Virus Is Far Ahead of Us’ — The New York Times Health -

A groundbreaking scientific development suggests a single dose of an experimental gene-editing drug could offer long-term prevention for heart disease by reducing LDL cholesterol.

• One-and-Done Heart Disease Prevention? Scientists Show It May Be Possible. — The New York Times Health -