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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
It's so cold on Titan that its equator is nothing but dunes as far as the eye can see. But, they're not made of sand. They're made of little chips of water.
Scientists from USC and Cal Tech have found that a certain enzyme can greatly speed up the process of transforming carbon dioxide into alkaline water.
If you spread out all of the plastic ever manufactured in a pile that was ankle deep, it would cover an area of land roughly the size of Argentina, a researcher says.
The intimidating, swirling Great Red Spot, has captivated observers for ages. Now, we've got the closest images of it ever.
All it takes is impact with something the size of a pebble to destroy delicate equipment, so Cassini had to protect herself.
No herd immunity, a large concentration of aedes aegypti mosquitoes and travel back and forth to Latin America were all likely contributors to the Zika outbreak in Florida.
If the budget passes as is, the Jet Propulsion Laboratory will feel some cuts but gain some additional funds for planetary exploration.
"If you are in the Coachella Valley, Don’t plan on getting to L.A. anytime after the earthquake, unless you have some way of flying."
In the summer of 2016, the lake's water clarity declined by nearly a quarter. The culprit? Geoff Schladow says it's climate change
About 750 million miles away from home, after almost 20 years, one of NASA's oldest spacecrafts is approaching a fiery, but fitting end.
Throughout California there’s a rush for localities to establish rules for legal pot. But you don't need to look any further than L.A. County to see how things could potentially not work out.
Medical marijuana dispensaries have been barred from unincorporated L.A. County since 2011, but there's no shortage of them.
Those in need of transplants are being turned away for smoking pot, people are being sent to jail for shipping weed across state lines and California is trying to reckon with its confusing pot laws.
Analysts estimate that Californians bought $1.8 billion worth of legal marijuana in 2016 and that the broader market could surpass that for wine.
In Sacramento right now there's a debate over how marijuana gets from farm to table.