You may see a FaceTime or iMessage activation error like "iMessage waiting for activation" or "iMessage activation unsuccessful." If you get a FaceTime or iMessage ...

The Economist has looked at estimates of the global cost of an “energy transition” to a zero-emissions world from a range of economists, consultants and other researchers—the sort of ...

Concerns over safety, cost, and what to do with radioactive waste had sapped enthusiasm for a technology once seen as a revolutionary source of abundant cheap energy. Yet now there is widespread ...

The Spectris therapy device. [Image courtesy of Cognito Therapeutics] Cognito Therapeutics today announced early-stage cost-effectiveness data supporting its Spectris therapy for Alzheimer’s ...

Prices plunged. And large Western oil companies were hemorrhaging money, with losses topping $100 billion, according to the energy consulting firm Wood Mackenzie. Renewable energy, it seemed to ...