Nova: Making Stuff Cleaner (9pm, UNC-TV) - Part 3 of 4 of "Making Stuff" examines the science and business of clean energy. Included: a scientist who uses chicken feathers to make hydrogen-powerd cars safer, whether lithium batteries create a dependence on South America, and whether scientists can create batteries that run on molten salts.

Human Target (9pm, Fox) - Chance has a reunion with an inept private investigator (Tony Hale) when the girlfriend of the owner of a rival security firm needs protection.

Cougar Town (9:30pm, ABC) - Jules' ultimate Valentine's Day wish is for Grayson to reveal his true feelings, but she may have to keep waiting. Meanwhile, Ellie wants nothing to do with the holiday and Travis asks Laurie advice on what to get Kirsten. This is the only new ABC comedy airing tonight.

Hot in Cleveland (10pm, TV Land) - Melanie, Joy, and Victoria are smitten with Elka's lawyer, who's angling for an insanity plea before a judge (Sherri Shepherd), but his client loses interest after learning that her former beau Max (Carl Reiner) is getting married.

Law & Order: SVU (10pm, NBC) - A billionaire (Colm Feore) becomes a suspect in a sexual abuse case involving a teenage girl, and his highly paid attorney (Robert Klein) is able to make the case veer off course.

Marlins of Raleigh swimmers led the Triangle contingent, breaking
one state record and four meet records in finishing second at the N.C.
Aquatic Club's Josh Weaver Memorial Meet Near the Hill held Friday
through Sunday at the Triangle Aquatic Center in Cary.

The powerful NOVA swim club from Northern Virginia, ranked No. 4
nationally, ran away with the title, compiling 4,612 points against
teams from North Carolina, Virginia, South Carolina and Pennsylvania,
Marlins coach Paul Silver reported. More than 700 swimmers competed in
the long-course meet for "A" classification competitors. 

Triangle teams took second through fourth places.

Dancing with the Stars (8pm, ABC) -  Melissa Etheridge sings two songs in an elimination episode which we hope sends homes the annoying "Bachelor" Jake.

NOVA: Mind Over Money (8pm, UNC-TV) - If you've got your mind on your money and your money on your mind, Nova can tell you why. It seems the brain actually misfires and makes us irrational when money is involved. A fascinating look at behavioral economics.

Glee (9pm, Fox) - Kristin Chenoweth returns as April Rhodes, to help Will save the glee club, while Sue Sylvester (Jane Lynch) puts her Cheerios (mostly Mercedes) on  a diet. Also, Kurt fixes his dad up on a date, hoping for a more normal family life.

Frontline: The Vaccine Wars (9pm, UNC-TV) -  A look at the controversy surrounding the vaccine regimen children face, including alleged links between vaccines and ADHD and Autism. A second episode of Frontline airs at 10pm ("The Dancing Boys of Afghanistan") looking at the practice of using adolescent boys for entertainment and sex by former warlords and businessmen.

The Good Wife (CBS, 10pm) - Alicia goes up against her former boss Jonas Stern, and considers using her knowledge of his dementia against him. Peter finds religion because, you know, it'll help with his appeal.

Can California's ambitious push to cut down on greenhouse gases really succeed? That's the question PBS's Nova series takes on in tonight's feature, "The Big Energy Gamble."

The special looks at the environmental pros and possible economic cons of California's green initiative, which seeks to return the state's carbon dioxide emissions to 1990 levels by 2020.

Nova: The Big Energy Gamble (8pm, UNC-TV) - This episode of Nova looks at the environmental pros and possible economic cons of California's green initiative, which seeks to return the state's carbon dioxide emissions to 1990 levels by 2020. Also, environmentalist Ed Begley, Jr. and Bill Nye ("The Science Guy") have a contest to see who can leave the smallest carbon footprint. 

Glee (9pm, Fox) - It's the much-anticipated Madonna Episode. When the boys in glee club begin to bully the girls, Will turns them on to the music of Madonna -- to empower the girls and to teach the boys respect. They perform "Express Yourself" and "Like a Prayer." All of that will be great, I'm sure. But the best part of the episode promises to be the makeover which Kurt and Mercedes give to Sue Sylvester (Jane Lynch, left). And yes, they'll show Sue's "Vogue" video again. 

Parenthood (10pm, NBC) - Amber's ex boyfriend comes to town, which causes trouble. Joel and Julia worry that their daughter Sydney also has Asperger's Syndrome, and Crosby wants to help pay for Jabbar's birthday party.  

Justified (10pm, FX) - A well-to-do Kentucky horse breeder is found dead of an apparent suicide and his art collection is missing. Raylan searches for the art but must also deal with the dead man's wife, who won't stop hitting on him.

Back in 1987, the science series NOVA began following seven medical students, chronicling their educational journeys.

Among them was Elliott Bennett-Guerrero, now a doctor at Duke.

The first part of the show will be on Tuesday at 8 p.m. Over at our TV blog, we have an interview with Dr. Bennett-Guerrero.

Our TV blog talked to the doctor. Check it out here. 

In 1987, filmmakers from NOVA, the acclaimed science series, began filming seven Harvard Medical School students with the idea of chronicling what it takes to be a doctor.

Among them was Elliott Bennett-Guerrero, now an anesthesiologist and professor at Duke University Medical Center. Tuesday night at 8, you can watch the first part of the two-part special and see Dr. Bennett-Guerrero's journey.

Let's talk nerdy for a minute: