Stable, self-disrupting microbubbles as intravenous oxygen carriers

Severe oxygen deficiency eventually leads to cardiac arrest. If the blood's oxygen content cannot be rapidly re-established, the patient may die within minutes. In the journal Angewandte Chemie, American scientists have introduced ...

'Ambulance drone' prototype unveiled in Holland

A Dutch-based student on Tuesday unveiled a prototype of an "ambulance drone", a flying defibrillator able to reach heart attack victims within precious life-saving minutes.

Violent crime 'race gap' narrows, but persists in US

The U.S. 'race gap' in the commission of violent crime has narrowed substantially, yet persists in many cities - with murder arrest rates for African Americans out-distancing those for whites - concludes a new 80-city study ...

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