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Swedish climate campaigner Greta Thunberg waits in Erkelenz, Germany, to take part in a demonstration at a nearby a coal mine on Jan. 14.

Greta Thunberg's 'The Climate Book' urges world to keep climate justice out front

Activist Greta Thunberg was just 15 when she called on the world to take action on the climate crisis. Just as impressively, she has now pulled together essays by 100 scholars on what's needed now.

A person holds a smartphone with a demo screen of Mobile Tracker Free, an app that can be used as spyware. March 20, 2023

Spyware — easy to install, easy to hack

Using tracking apps on cellphones can be susceptible to hacking and make the contents of your phone accessible to a stalker and potentially the public.

An electric vehicle owned by the Army recharges at Fort Leonard Wood in Missouri. The base plans to eventually have hundreds of electric vehicles to comply with a Pentagon mandate that all military branches convert their fleets of non-combat vehicles from gas powered to electric by 2035.

The military is converting to electric vehicles on bases, but charging them remains a challenge

One base in Missouri is outsourcing the charging stations to the local utility co-op.

As the first James Webb Space Telescope images appeared in New York's Times Square and everywhere else, scientists got to work diving deep into the data.

The new science coming from the James Webb telescope has astronomers giddy

In the week since the first images from the James Webb Space Telescope were unveiled, astronomers have been poring through all the observations it's made so far--and they're happily overwhelmed.

An undated file photo of a crime scene police tape and a San Diego Police Department cruiser in the background.

Police in San Diego County more likely to shoot nonwhite suspects, records show

A KPBS review of more than 20 years of records relating to use of force by police in San Diego County revealed a clear trend.

A meme that cast Dave Brandt as a stereotypical farmer reached cultural ubiquity on social media sites like Reddit. Brandt's death last week sent ripples through both real and virtual spaces that looked to Brandt as a symbol of honest work in the modern age.

He was a beloved farming legend. But for Reddit, his work ethic meant something else

David Brandt, who died last week, was an Ohio farmer known for his pioneering work in no-till farming. But social media users knew him better as the overall-clad farmer from the "honest work" meme.

Elon Musk speaking to journalists Kara Swisher and Walt Mossberg at a conference in 2016. Musk's lawyers recently tried to argue in court that comments he made at that event could have been altered.

People are trying to claim real videos are deepfakes. The courts are not amused

The unleashing of powerful, generative AI on the public is raising concerns that as the technology becomes more prevalent, it will become easier to claim that anything is fake.

Allen Wuertz, 13, practices skateboard tricks at the new Parkway Sports & Health Science Academy, La Mesa, Calif., October 27, 2022.

Skateboarding to academic excellence at the new Parkway Academy

Academic excellence is now riding on the wheels of some gnarly skateboards at a new academy in the La Mesa-Spring Valley School District.

How did COVID warp our sense of time? It's a matter of perception

Many people reported a distortion in their sense of time during the pandemic, but the individual experience is highly dependent on a range of factors from emotional state to culture.

A little boy sits on his mother's lap looking at a social and non-social video in an eye tracking experiment to see if the boy may have autism. Feb 22, 2023.

Children less attracted to 'baby talk' are more likely to have autism

A UCSD study shows toddlers who are less attracted to videos of parents using "baby talk" have a very strong chance of having autism.

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