11.   Unlike Russia, which has more than enough warheads to overwhelm a limited U.S. missile defense, China has what arms control specialists call a minimal deterrent.

12.   Petty died, however, because his helmeted head was inadequately restrained, allowing it to hyperextend so violently he sustained what trauma specialists call basal skull fracture.

13.   An American computer memory specialist called the finding interesting, but questioned whether the molecules would be stable and accessible enough to use in computers.

14.   Heart specialists called the results important, but some wondered whether fine-tuning the criteria might better target their use so that fewer people will need them.

15.   Obesity specialists called it high time someone pointed out the growing danger.

16.   The specialists called for the appointment of a cabinet-level director who would coordinate cancer research between government agencies, hospitals and private groups.