"Heat Signature"  Author Lisa Teasley’s latest book, "Heat Signature," is billed as a love poem to California. Today on Insight, the author tells you why.

You can hear Lisa Teasley read from "Heat Signature" at 6 p.m. today at Underground Books, 2814 35th St., Sacramento. Information: (916) 447-3085.

Chimp gene  A local researcher tells you about a brain gene that shows a dramatic difference from chimp to human. 

Cell phone attacks  A local professor and his students have discovered that malicious junk messages could leave your cell phone with a dead battery. Learn how you can protect yourself.

Sour grapes   Governor Arnold Schwarzenegger vetoed legislation Monday that would have made zinfandel the official wine of California.  Sacramento wine educator G. M. "Pooch" Pucilowski tells you why many in California's wine industry opposed the legislation.