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California Rain to Return With 1 of Year’s Strongest Storms on the Way
The week’s first storm will likely drop showers across the Bay Area on Tuesday night before a second, much stronger atmospheric river hits late Wednesday through Friday.
Even Where Weed Is Legal, Product Safety Isn't Guaranteed
How Safe Is Your Weed? Patchy Regulations May Leave Contaminants in the Weed Supply
At Hidden Tahoe Lab, Scientists Learn the Art of Measuring Snow
Trump Orders and Atmospheric Rivers: How Prepared Are California's Levees?
Atmospheric Rivers to Deliver ‘One-Two Punch’ of Strong Bay Area Rain, Sierra Snow
KQED Science brings you award-winning science and environment coverage from the Bay Area and beyond. Learn More
At Hidden Tahoe Lab, Scientists Learn the Art of Measuring Snow
PG&E Wants to Pull the Plug on Electrification Project at CSU Monterey Bay
Monarch Butterflies Are on the Decline in California. Here’s Why
9 Unexpected Things We Learned About Mental Health and Our Brains in 2024
Here's What Happened When Scientists Tested the Air With My Gas Stove On
A person holds a small machine near a gas stove.
What Is Fluoride and Why Is It in Tap Water? Fact-Checking RFK Jr.’s Claims
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Jan 28
4 of the Deadliest Tiny Hunters We’ve Ever Filmed
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Jan 07
Want a Cozy, Free Home? Ask This Caterpillar How
KQED’s science coverage is supported by The National Science Foundation, the Chan Zuckerberg Initiative, the Dirk and Charlene Kabcenell Foundation, the Gordon and Betty Moore Foundation, The Patrick McGovern Foundation, Campaign 21 and the members of KQED.
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At Hidden Tahoe Lab, Scientists Learn the Art of Measuring Snow

Scientists attending a recent snow school at the Sierra Snow Lab join a rich tradition of data gathering that has huge implications for California’s water supply.

PG&E Wants to Pull the Plug on Electrification Project at CSU Monterey Bay

PG&E proposed a novel approach to electrify existing buildings at CSU Monterey Bay. Now the promising project is in jeopardy.

Monarch Butterflies Are on the Decline in California. Here’s Why

The latest Western Monarch Count by the Xerces Society marks the second-lowest population since tracking began in 1997. Biologists say hot temperatures and drought are to blame.

4 of the Deadliest Tiny Hunters We’ve Ever Filmed

Watch turret spiders, wormlions, assassin bugs and dragonfly babies use stealth, speed and lethal weapons to dispatch their prey.
A firefighter points a hose to the ground amid smoldering ruins.

Fire Evacuees Prepare to Return Home Unsure of What They'll Find

KQED met two of the many Angelenos waiting to find out if their homes are still standing. Los Angeles County created a website for residents to check the status of their homes.
A burning smoky area with structures in the background amid flames and a palm tree standing precariously in the foreground.

Climate Scientists Warn of Growing Whiplash Effect on Weather Patterns

Californians are all too familiar with flip-flopping weather extremes, and new research suggests that weather whiplash is increasing as the atmosphere warms due to human-caused climate change.

Want a Cozy, Free Home? Ask This Caterpillar How

As a caterpillar, a grass skipper butterfly is an architect. It builds its home by weaving skeins of silk, which the caterpillar uses to fold shut a blade of grass. After growing up inside this “grass taco,” it emerges as a fuzzy butterfly that woos a mate with flirty courtship dances.