Top news for December 21, 2008

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The Opioid Crisis Is Now Being Tracked with Wastewater

Japan Explains How It Made an Upside-Down Moon Landing

How Does an Execution Using Nitrogen Gas Work?

NASA’s Ingenuity Mars Helicopter Ends Its Mission

Landing On Mars: A Tricky Feat!

Writing things down may help you remember information more than typing

Nature’s Marvel: Scientists Observe Tiny Pseudoscorpion Riding on a Scorpion for the First Time

The Solar Solution: Harnessing Sunlight To Combat Global Warming

Another Asteroid Discovered Hours Before it Impacts the Earth

Two-faced AI language models learn to hide deception | ‘Sleeper agents’ seem benign during testing but behave differently once deployed. And methods to stop them aren’t working.