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In 1975, researchers met to discuss the emerging field of biotechnology. The issues surrounding the field today are familiar.

Young, male capuchin monkeys have started kidnapping the babies of nearby howler monkeys. Why? Maybe boredom.

When a 5.2 earthquake hit near San Diego, the San Diego Zoo Safari Park caught its elephants on video taking action to protect their young, forming what experts call an "alert circle."

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

The official numbers are in: 2024 is the hottest year on record. Climate change is the main culprit. But there might be something else going on, too.

Youssef was in fifth grade and living in New Jersey when the Twin Towers fell. His new show, #1 Happy Family USA, draws on the experiences of his own Egyptian American family during that tense time.

President Trump has nominated Neil Jacobs to head NOAA. Some former NOAA employees are concerned about Jacobs' scientific integrity after his prior involvement in "Sharpiegate."

DOGE's murky push to amass data at federal agencies could hurt the U.S. government's ability to produce reliable census results, economic indicators and other statistics in the future, experts warn.

A federal judge in San Francisco issued a two-week restraining order temporarily blocking the Trump administration's sweeping overhaul of the federal government. Her order applies to 20 agencies.

PBS is celebrating Black History Month by throwing a Block Party! Whether you like history, music, documentaries, food, and science, we've got something for everyone to watch. Stream shows with the PBS app and KPBS Passport!