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KPCC's Science Reporter
Jacob's time in journalism began when he was 16, when he'd skip high school to spend his days working on the mid-day newscast at KPFK in Los Angeles.
Since then he's worked at NPR in Washington, D.C., as a producer on "The Madeleine Brand Show" and "Take Two" at KPCC and as a reporter, covering the political and social impact of California's new marijuana industry.
Now, he's the science reporter for the station.
Stories by Jacob Margolis
The Perseid meteor shower comes along annually, but this year the sky will be flooded with shooting stars. It's all thanks to Jupiter.
Should bottom trawling be allowed or banned? That's what one environmental advocacy group is trying to figure out by mapping the seafloor off of SoCal.
People fled into the streets after a truck drove into a crowd celebrating the holiday on the city's promenade Thursday evening.
Suspicions that the Rams traded to the No. 1 pick spot to snag a quarterback proved true as they snagged Jared Goff to kick off the NFL draft.
You won't be able to walk into a supermarket to buy a joint, but you would likely see recreational pot shops in some cities and businesses that deliver to your door.
As L.A.'s infrastructure for delivering water ages, the quality of its water is also impacted, according to Professor of Environmental Sciences at UCLA.
"The motor controller has some metal parts on it and it was touching a metal screw. Didn’t realize that. Short circuited and then obviously, fire," explained Nishant Desai.
Banning short-term rentals wasn't enough to stop sites like Airbnb and VRBO, so Santa Monica stepped it up by citing them for hundreds of violations.
The more upscale, health-focused grocery store is a sign of change in a part of Southern California that has long been considered an affordable alternative to L.A.
Screeners for The Revenant, Creed and The Big Short have all been leaked to pirate movie sites, and new tools are making it even easier for pirates to watch them.
Running in the marathon costs about $200. But to close streets, pay medical staff and clean the streets in LA and Santa Monica, it will likely surpass $1 million.
Short-term rentals have become so popular that LA rental listing site RadPad couldn't ignore them any longer. The CEO says people want flexible leasing options.
City and county officials affirm their commitment to ending homelessness, but say they will need to find more revenues to fund their plans for the long-term.
After months of studies, bold declarations and public hearings, city and county officials are moving on their homelessness strategies. Here's what you need to know.
Cyclist Jacob Margolis narrowly beat out car driver Sue Carpenter by 5 minutes.