I guess doctors, especially doctors-in-training, have to get used to sudden, inexplicable endings. You are trained to heal. That's the goal, that's the point. But every so often, you don't win. Something you didn't see coming, comes. I don't know which hurts more, the 'suddenly' or the 'why?" If the patient is clearly dying, it's easier. You can prepare.
If mosquitoes used Yelp, they might look for their next meal by searching nearby for a heavy-breathing human with Type O blood, sporting a red shirt and more than a smattering of skin bacteria. Preferably either pregnant or holding a beer.
Rarer than any metal, any mineral, so rare that if you scan the entire earth, all six million billion billion kilos or 13,000,000,000,000,000,000,000,000 pounds of our planet, you would find only one ounce of it?
What is so rare it has never been seen directly, because if you could get enough of it together, it would self-vaporize from its own radioactive heat?
For years, electrical experts have been calling for a "smart grid" that could better sense and adapt to changing conditions, from electrical outages to shifts in power consumption. Massoud Amin, referred to by some as the "father of the smart grid," talks about how and why the country should improve its aging electrical infrastructure.