Spraying insulin up the nose — where brain tissue reaches outside the brain, making up the olfactory bulb — improves cognition in people with early Alzheimer’s dementia and with mild cognitive impairment.

"A human being's like a light bulb. And we enjoy that light inside, but we also radiate it. We affect our environment. Everybody knows that," he says in the clip.

With the global market for plants, bulbs and cut flowers expanding rapidly, they say improved standards are urgently needed.

MIT physicist William Coolidge had discovered tungsten’s laudable properties for light bulbs and later for X-ray tubes, and for nearly a dozen years, until about 1920, Atolia, the desert mining town that tungsten built, thrived.

Those could have been inserted digitally, but instead Crowley enlisted Mark Eves, a farmer in Norfolk, Va., to plant 9 million tulip bulbs.