Articles from Science News (December 11, 1993)

Title	Author	Type	Words
A new twist on bacterial rotary engines.	Lipkin, Richard	Brief Article	319
A question of crushers: why animals throughout history have developed a taste for bones.	Monastersky, Richard	Cover Story	1689
Allergy-free rodents lack a key receptor.	Pennisi, Elizabeth	Brief Article	500
Astronauts snare Hubble, repair flaws.		Brief Article	302
Brain warping: will electronic idiot savants become a doctor's best friends?	Raloff, Janet		2728
Deep ice stirs debate on climate stability.	Monastersky, Richard		596
Dioxins meddle with key thyroid hormone.	Adler, Tina	Brief Article	475
Getting a leg up on artificial bones.	Lipkin, Richard	Brief Article	307
Hot answers to some 'bad hair' problems.		Brief Article	306
Nabbing a gene for colorectal cancer.	Fackelmann, Kathy A.		848
Space station: merger with the Russians.		Brief Article	626
Steroid injections for eye ailment slow MS.	Pennisi, Elizabeth		629
The skinny on thin-film batteries.	Lipkin, Richard	Brief Article	247