Space & PhysicsDecember 1, 2020
The Arecibo Radio Telescope’s Massive Platform Has Collapsed
The hanging structure crashed through Arecibo’s dish after major cable failures
The Sciences
The SciencesDecember 1, 2020
Ultracold Molecule Mystery Solved
Lasers slow molecules for a glimpse of the quantum world—and a strange heating is uncovered
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PolicyDecember 1, 2020
50, 100 & 150 Years Ago: December 2020
A Post Office patent in 1870 and in vitro progress in 1970
CultureDecember 1, 2020
The Grim Politics of Ebola, a Theory of Time, and Racism and Organ Transplants
Book recommendations from the editors of Scientific American
PolicyDecember 1, 2020
To Understand How Science Denial Works, Look to History
The same tactics used to cast doubt on the dangers of smoking and climate change are now being used to downplay COVID
Space & PhysicsDecember 1, 2020
See Fast Radio Bursts Come of Age
An incipient field of radio astronomy is about to go mainstream
PolicyDecember 1, 2020
Acknowledging Reality Is an Excellent Way to Function within It
Castles in the air are not for habitation
The SciencesDecember 1, 2020
Are We Real? And Other Questions of Physics
Do we live in a higher being’s computer? Advanced research may tell us
PolicyDecember 1, 2020
In Case You Missed It
Top news from around the world
PolicyDecember 1, 2020
Take Racism Out of Medical Algorithms
Tools used in health care are harming people of color. It’s time to fix them
BiotechDecember 1, 2020
Hand Transplants Demonstrate the Nervous System’s Amazing Adaptability
A radical procedure restores touch and grasping in former amputees
PolicyDecember 1, 2020
Readers Respond to the August 2020 Issue
Letters to the editor from the August 2020 issue of Scientific American