I don't remember more than one or two of the kids at my school being even overweight, and though my best friend was known as Fatty Conway he got this nickname because he was just a bit more amply provided than the rest of us.
Oil was once very cheap, and its very cheapness was a basic cause of industrial expansion everywhere. Now it is much more expensive, but then GDP has risen a great deal everywhere, so we can still afford it. It's unlikely to be cheap again.
Exquisite timing, because the South Australian election is on February 15, and Krieg's talk on this prestigious science program is the last effort of that State's nuclear lobby to get their cause up as an election issue.