Physical Sciences
Squeeze inside a fusion reactor with a Nat Geo photographer
Science fiction's ‘warp drive’ is speeding closer to reality
Compelling photos reveal nature’s detailed beauty
Scientists record a 'forbidden' black hole collision
The butterfly effect is real—but not how you think
On Kaua'i, fusing past and present
Here's the real reason the U.S. doesn't use the metric system
Have scientists just found an 800,000-year-old impact crater?
Iceland bracing for unprecedented volcanic eruption
How breast milk banks could avert the next formula crisis
5 surprising ways algae is driving innovation
How climate models got so accurate they earned a Nobel Prize
Meet the wildfire superspreaders
How fear and anxiety drove human evolution
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