scratching

“We are literally just scratching the surface of global treatment here,” Ricks says.

While Western diplomats said the test represents a dangerous new capability for Russia, the announcement sparked more head scratching than fear for some missile-technology and nuclear-proliferation experts.

“They do know when someone someone’s ill, right?” he said to no one before scratching Penny’s tummy and cooing, “You know I’m ill, right? I’m ill!”

At other points, Mr. Janovitz follows recording sessions in close detail, an approach that will appeal to some, though it may leave others scratching their heads.

"There were these big, thick, sandy doublet events where it had a fine-grained element, and on top of it was a very coarse grained sandy unit. And we were just scratching our heads," says Goldfinger.