EarthMarch 1, 2021
Sunlight Changes Unequally All Year Long
Some days we gain one minute; some days we gain three
The Sciences
EvolutionMarch 1, 2021
An Ancient Proto-City Reveals the Origin of Home
The 9,000-year-old settlement of Çatalhöyük in Turkey shows how humans began putting down roots
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PolicyMarch 1, 2021
Readers Respond to the November 2020 Issue
Letters to the editor from the November 2020 issue of Scientific American
The SciencesMarch 1, 2021
Poem: States of Matter
Science in meter and verse
PolicyMarch 1, 2021
Expert Opinion Can’t Be Trusted if You Consult the Wrong Sort of Expert
The failure of the U.S. to respond appropriately to the pandemic could have been predicted if anyone had bothered to ask social scientists
BiologyMarch 1, 2021
Pilot Whales Show Possible Orca-Mimicking Repertoire
Southern long-finned pilot whales’ calls could help them outsmart an apex predator
PolicyMarch 1, 2021
In Case You Missed It
Top news from around the world
Space & PhysicsMarch 1, 2021
This Mars-Studying Scientist May Be the First Woman to Walk on the Moon
Jessica Watkins is excited for humans to get to work on the lunar surface
Space & PhysicsMarch 1, 2021
Future Astronauts Could Phone Home with Lasers
Advances in laser-receiver technology could deliver high-quality, reliable communications for future space exploration, such as sending humans to Mars
CultureMarch 1, 2021
The Military’s Role in Oceanography, Deadly Pharmaceutical Negligence, and Other New Science Books
Book recommendations from the editors of Scientific American
EvolutionMarch 1, 2021
Prehistoric Plankton Became Predators to Survive a Mass Extinction
When the sun disappeared, tiny coccoliths turned to hunting
EvolutionMarch 1, 2021
A Tsunami Likely Hurled Huge Rocks onto a Tiny Island
A Caribbean island’s giant rocks were thought to be deposited by enormous waves