Next on NOVA: NOVA scienceNOW

http://www.pbs.org/nova/sciencenow

Tuesday, July 3 at 8PM ET/PT on PBS
Check your local listings as dates and times may vary.

Host and astrophysicist Neil deGrasse Tyson examines doomsday
asteroids, the genetics behind overeating, the quest to create a new
element, and an MIT roboticist who also writes award-winning fiction.

Asteroid
Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?
http://www.pbs.org/wgbh/nova/sciencenow/3313/01.html

Island of Stability
Follow the decades-long quest to create the elusive element 114.
http://www.pbs.org/wgbh/nova/sciencenow/3313/02.html

Obesity
Examine the biology behind the compulsion to eat.
http://www.pbs.org/wgbh/nova/sciencenow/3313/03.html

Profile: Karl Iagnemma
An innovative MIT roboticist is also an acclaimed fiction writer.
http://www.pbs.org/wgbh/nova/sciencenow/3313/04.html

The journey continues on the NOVA scienceNOW Web site. Watch the
entire hour-long episode. Try out some "what-if" scenarios if an
asteroid hit the Earth today, take an "elemental" quiz, learn how the
hormone leptin affects your appetite, listen to Karl Iagnemma talk
about his secret to success, and much more.