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February 7, 2025
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists. Plus, an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments in a new book. And, why snow has that crisp, clean smell.
New Program Spurs Solar Development on Public Land
The plan identifies 285,000 acres of public land in six Western states for solar energy projects.
Spacecraft Records ‘Chorus’ of Space Sounds
What do Earth’s radiation belts sound like? Wonder no more.
Winter Weather Predictions—Science or Folklore?
The Old Farmer’s Almanac predicts winter weather months in advance. But how scientific are those predictions? And are NOAA and Accuweather any better at the art of seasonal forecasting?
Making Sense of Presidential Polls
Feeling a little overwhelmed by all the presidential polls? A neuroscientist and statistician talk about how to make sense of the election—and why not all votes are created equal.
Scientists in the Dark Over Birth of the Moon
Two new studies present very different ideas about how the Moon was formed—a riddle that one scientist says may never be solved.
Curiosity Rover Gets the ‘Scoop’ on Mars
Did the rover shed a piece of plastic while collecting its first scoop of Martian soil?
2012 Nobel Prizes Recognize Pioneering Science
This year’s Nobel laureates changed our understanding of our bodies and the world around us.
Fifty Years Ago, a Bright Idea
Inventor Nick Holonyak describes the creation of the visible light-emitting diode, or LED.
Enter an Optical Illusion
Gravity doesn’t behave as expected in a new art exhibition in New York City.
Tracking the Ozone Hole, as It Waxes and Wanes
The Antarctic ozone hole reaches its largest size by late September—but then it disappears again.