Lepidoptera (butterflies and moths) are the only insects that have scaly wings. The wings are attached to the butterfly's thorax (mid-section). Veins support the delicate wings and nourish them with blood. Butterflies can only fly if their body temperature is above 86 degrees.
All of the members of Leonard's family are accomplished scientists, except for his younger brother Michael, who is a tenured law professor at Harvard University. Leonard's mother, Dr. Beverly Hofstadter, is a psychiatrist and neuroscientist. She has a personality almost identical to Sheldon's, including strict speech patterns, lack of social conventions, and attention to detail, and she is principally responsible for Leonard's difficult childhood.
Carol Ann Susi -- one of the central characters on The Big Bang Theory -- died Tuesday after battling cancer ... according to execs on the hit show. Susi played Howard Wolowitz's mom who almost NEVER appeared on camera -- but whose voice was heard in just about every episode. 'Big Bang' executive producer Chuck Lorre said ... The Mrs. Wolowitz character became a bit of mystery throughout the show's eight seasons.