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The San Diego County Administration building on Pacific Highway on Feb. 5, 2021.

Election 2022: San Diego County Measures

From cannabis taxes and building height limits to trash pick up, here’s everything voters need to know about the key ballot measures.

Summer of Space

KPBS brings viewers the universe with SUMMER OF SPACE, a multiplatform experience that includes six new science and history programs, all commemorating America’s journey into space.

The hydrogen pump is one of four that just opened at a Mission Valley Mobil station, so owners of hydrogen fuel cell cars can come to fill up. May 11, 2023

San Diego serving more zero emission cars with second hydrogen fuel cell filling station

A Mobil station in Mission Valley now has four pumps that dispense hydrogen fuel.

With so many undiscovered mushrooms, citizen scientists find new species all the time

Mushroom experts are vastly outnumbered by fungi they study. That means amateur mushroom hunters discover lots of new species, adding significantly to scientific knowledge.

Is Threads really a 'Twitter killer'? Here's what we know so far

Meta's new app, Threads, may be the latest in a long-string of Twitter's competitors, but it appears to have an edge in the game thanks to its ties to Instagram. Over 30 million users have joined.

Paul Farnan, Principal Deputy Assistant Secretary of the Army for Installations, Energy and Environment, talks with cadets after they presented their capstone projects in May 2023 at the military academy at West Point.

For these West Point cadets, military leadership includes finding solutions to climate change

Under a new Army program, West Point students are working with the Defense Department to address climate challenges that could affect national security.

Christina Toms, an Ecological Engineer and Senior Scientist with the San Francisco Bay Regional Water Quality Control Board, (center in light blue jacket) checks up on a new wetland restoration project she has been overseeing for the last year in partnership with the Army Corp of Engineers, and the National Park Service at Drake’s Beach in Point Reyes on Oct. 21, 2021.

'Morale killer': California scientists battle over pay disparities

State scientists, who make on average 27% less than state engineers, are trying to negotiate a better deal. “I’m freaking terrified that all of these awesome people that I work with…are going to leave,” one environmental scientist said.

Hundred came out to show their support for the LGBTQ+ community in Santee for a Pride walk hosted by the Santee United Methodist Church. Walkers carried signs, flags and balloons while they cheered and waved at drivers, June 10, 2023.

Hundreds make history in Santee’s first Pride walk

Organizers said recent local discrimination against the LGBTQ+ community partly motivated the historic display of support.

Voters check their phones while waiting to cast in-person ballots at a polling location in Austin, Texas, on Oct. 13, 2020. Many Americans wonder why they can't vote online, on their phones, but experts agree that it's not secure.

Voting online is very risky. But hundreds of thousands of people are already doing it

The advice from cybersecurity experts is unanimous: Internet voting is a bad idea. But it's already happening in every federal election. In 2020, more than 300,000 Americans cast ballots online.

The process produces a protein-shake like texture that can be dried and used similarly to seitan, a popular protein substitute for vegans.

The special ingredient for Mars travel meal prep? Astronaut breath

Chemical physicist Stafford Sheehan invented a process that can turn carbon dioxide into yeast. It's now a finalist in the NASA-sponsored Deep Space Food Challenge.

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