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May 2, 2025
An astronomer explores the cosmos and the limits of what science can test. Plus, how the mysterious properties of pasta—like how it bends, coils, and breaks—have been tested by physicists for decades. And, millions of years ago, iguanas somehow got from North America to Fiji. Scientists think they made the trip on a raft of fallen vegetation.
Planning for ‘Curiosity’ on Mars
NASA scientist John Grunsfeld gives a preview of the Mars Curiosity mission, from the landing’s ‘seven minutes of terror’ to the plans for the exploration ahead.
Changing Views About a Changing Climate
Former climate change skeptic Richard Muller describes his evolving views on climate change science.
Sally Ride, Pioneer
A tribute to space pioneer Sally Ride, America’s first female astronaut
Ask an Astrophysicist
Nobel Prize-winning astrophysicist Adam Riess takes your questions on dark energy and the cosmos.
“Resilience” Looks at How Things Bounce Back
Are you resilient? Writer Andrew Zolli describes how he thinks “resilience science” can help us weather life’s big and small catastrophes.
Building Organs, On One Microchip at a Time
Scientists are making tiny microchips that can breathe, digest and pump blood like human organs.
Why Science Is a Non-Issue in the Election…Again
How science stacks up against other issues discussed and debated on the campaign trail.
Its Budget Sunk, Undersea Lab May Have to Surface
Now that federal funds have dried up, Florida’s Aquarius undersea lab faces an uncertain future.
Melting the World’s Biggest Ice Cube
As Antarctica warms, its ice sheets are sliding into the ocean–raising sea levels across the globe.
Neuroscientist Turned Crime Solver in Perception
A schizophrenic neuroscience professor is TV’s newest nerdy crimefighter.