The first song performed by a British artist or group to reach No. 1 on Billboard’s pop charts in the rock era was Acker Bilk’s instrumental “Stranger on the Shore” in May 1962. Second was the Tornados’ instrumental “Telstar” seven months later. The Beatles’ “I Want to Hold Your Hand” was next, in February 1964. (Thanks to Ken Clark of Kent., Wash.)

n Weird Wide Web: Visit www.dontclick.it for a demonstration by the Institute for Interactive Research of how a website can be navigated by moving your mouse, rather than by clicking it.

The name of what world nation literally means “venerable, resplendent land?”

A) Thailand

B) Zimbabwe

C) Sri Lanka

D) Mexico

Answer Monday.

Thursday’s answer: Earth is farthest from the sun each year in early July.