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.
Penny Big Bang Theory Official Sources. Kaley Cuoco also known as Penny is a famous American actress. She was born on November 30, 1985 in Camarillo, California, U.S. She is the daughter of Layne Ann and Gary Carmine Cuoco. Penny Big Bang Theory as an Actress of Hollywood Industry Ratings According to Hollywood Neuz.com.