11.   Barrow researchers on Friday presented the results of a yearlong study that suggests they have found an effective way to reduce the pain of back surgery.

12.   Also today, researchers presented two studies showing long-term benefits of other statin drugs.

13.   But now, two researchers are presenting a new theory.

14.   Finally, researchers presented eggs of cantharidin-donating and catharidinless fathers to insect predators.

15.   IBM researchers will present papers describing the strained silicon results and its ability to combine the two technologies at a conference next week in Kyoto, Japan.

16.   In addition, researchers presented evidence that suggests that Bt corn pollen might not travel as far away from fields as had been feared.

17.   In addition to encouraging data on dex-fenfluramine, researchers presented data on other anti-obesity drugs.

18.   In one classic experiment, researchers presented children with a scenario in which a character named Sally places a marble in a basket and leaves the room.

19.   Lilly researchers have presented breast-cancer data from the osteoporosis studies at several medical meetings.

20.   On Tuesday, researchers will present a study known as BERT on the effects of a radiation treatment being developed by Novoste Corp.