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“It’s disappointing, but I understand that social processes are like this,” he said.

The researchers also say sustainable innovation must be linked to social processes.

Researchers are increasingly seeing bereavement as a social process, Prigerson said, and as social beings, people look to others for comfort and solace.

As for why UFOs and their alleged occupants enthrall the public, I've found that normal human perceptual and social processes explain UFO buzz as much as anything up in the sky.

But state-run radio journalist Mabel Pozo said on social media that the protest began when "various citizens, some in a state of drunkenness, yelled statements against the Cuban social process and regarding their dissatisfactions."