![Scientific American Magazine Vol 329 Issue 5](https://static.scientificamerican.com/sciam/cache/file/808413F7-3AF5-4639-9DAF33E61FA85F2B_source.jpg?w=300)
Volume 329, Issue 5
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Features
The Most Shocking Discovery in Astrophysics Is 25 Years Old
A quarter of a century after detecting dark energy, scientists are still trying to figure out what it is
Behind the Scenes at a U.S. Factory Building New Nuclear Bombs
The U.S. is ramping up construction of new “plutonium pits” for nuclear weapons
Who Would Take the Brunt of an Attack on U.S. Nuclear Missile Silos?
These fallout maps show the toll of a potential nuclear attack on missile silos in the U.S. heartland
Too Many Schools Are Misdiagnosing Dyslexia
Changing how dyslexia is diagnosed could help many more children learn to read
Inside the $1.5-Trillion Nuclear Weapons Program You've Never Heard Of
A road trip through the communities shouldering the U.S.’s nuclear missile revival