He had been ill for a year after the experience in Pennsylva-
nia, and after his recovery worked as a day laborer in the fields, going timidly about and striving to con- ceal his hands.
Based on the new technique,
NIAS has induced precocious metamorphosis of silkworms by excessively producing juvenile hormone esterase, a kind of hormone-degrading enzyme.
Ar y Bocs/On the Box would like to apologise to both presenter
Nia Roberts and TV tutor
Nia Parry for the mix-up in last week's television page.