By JOHN COTE, San Francisco Chronicle

SAN FRANCISCO - Some say everyone should go to college. San Francisco Mayor Gavin Newsom is trying to ensure that's the case in San Francisco.

Throwing orange peels, coffee grounds and grease-stained pizza boxes in the trash will be against the law in San Francisco, and could even lead to a fine.

SAN FRANCISCO -- Mama Cuddles had been a regular attraction at the San Francisco Zoo for more than four decades after arriving in 1963 from the Philadelphia Zoological Gardens at the age of 1. Nile hippos live up to 45 years in the wild, and often a few years longer in zoos, according to the National Zoological Park, part of the Smithsonian Institution.

SAN JOSE, Calif. -- GreenTeam recycling in San Jose strives to put its reused material to the "highest and best use," but a recent discovery may have tested that motto.A worker at GreenTeam's recycling center found an entirely different type of green while sorting through refuse last week, police said -- a garbage bag with 5 pounds of marijuana.

SAN FRANCISCO -- The San Francisco City Attorney's Office contends the car of the two brothers who survived the tiger attack at San Francisco Zoo contains "apparent evidence of drug use&q