New research 6. (conduct) at Bristol Royal Infirmary. In the research, transmitters 7. (attach) to the heads of 36 volunteers. Half of them 8. (receive) microwaves identical to those produced by most mobile phones for half-hour periods; the other half did not. All volunteers 9. (be) then 10. (ask) to perform simple psychological tests to measure brain function and memory. The group which 11. (not subject) to radiation performed better.

Annet483    2   09.02.2021 18:37    1