Prospects for a nuclear deal grow dimmer as Washington and Tehran resort to direct military confrontations even while keeping diplomatic channels open.
The US and Iran are engaged in military confrontations while diplomatic talks continue.
The parallel escalation significantly complicates the prospects for a nuclear deal.
Neither side has announced a suspension of diplomatic channels.
Tehran has sharply rejected a new International Atomic Energy Agency report warning that international inspectors are being blocked from Iranian nuclear sites.
Several leading diabetes specialists were escorted out of the American Diabetes Association conference in New Orleans shortly before their scheduled presentations.
Diabetes researchers escorted out before their presentations at the New Orleans ADA conference.
The expulsions followed public criticism of the Trump administration's science funding policies.
The case sharpens debate over academic freedom under political pressure in the US.
Nearly 500 confirmed cases in Central Africa have prompted the World Health Organization to declare a Public Health Emergency of International Concern.
WHO has declared the Central Africa Ebola outbreak a Public Health Emergency of International Concern.
With nearly 500 confirmed cases, the epidemic risks becoming one of the deadliest Ebola outbreaks in history.
Ebola can kill more than half of patients when proper treatment is unavailable.
The European Commission is set to propose a new regulation next month aimed at reducing charges on renewable energy and making power grids more flexible.
The EU is drafting a regulation to cut taxes on renewable energy, with a proposal expected in July.
The initiative also targets greater grid flexibility, key to scaling up solar and wind integration.
High energy costs remain a drag on European economies and household budgets alike.