Nova scienceNow


Episode Info

Astrophysicist Neil deGrasse Tyson debuts as host of "Nova scienceNow," the program's own magazine-format show. Stories include the possibility that Earth may be hit by a Rose Bowl-size asteroid in the next 30 years; nuclear chemist Ken Moody's attempts to create the 114th element; the role of genetics in determining body weight; and a profile of MIT researcher and fiction writer Karl Iagnemma.