Proceedings Of The National Academy Of Sciences
How Ancient Megafauna and Early Farmers Shaped the Pumpkin
Pumpkins evolved alongside Ice Age megafauna before Indigenous farmers transformed bitter wild gourds into crops, reveal...
Ancient DNA Reveals Elite Xiongnu Connections Among Europe's Huns
Ancient DNA links a small number of Hun-era Europeans to Xiongnu elites in Mongolia, while revealing that the Huns' wide...
Feynman's Restaurant Puzzle Reveals the Smart Science of "Good Enough"
Richard Feynman's restaurant puzzle reveals why people balance exploration with reliable choices, using simple decision...
Venus's Sulfuric Acid Clouds Reveal New Possibilities for Complex Chemistry
New research finds some peptides can remain stable and form omega loops in Venus's sulfuric acid clouds, broadening the...
A 20-Minute Exercise Break May Help the Brain Recover After Poor Sleep
A new study in Proceedings of the National Academy of Sciences suggests 20 minutes of exercise may help restore brain pe...
Researchers 3D-Print Ice at Room Temperature Using Vacuum Cooling
University of Amsterdam researchers created a vacuum-based 3D printing method that shapes ice at room temperature, openi...
Antarctica's Giant Ocean Current Reveals How Winds Help Shape Earth's Climate
Scientists reveal how Antarctica's giant ocean current formed, showing that winds, gateways, and ice aligned to shape Ea...
Antarctica's Melting Ice Is Releasing Mercury at Record Pace
A new study shows Antarctica is releasing mercury faster as ice melts, revealing how climate change can mobilize long-st...
Scientists Pinpoint Brain Cells Linked to Sustained Motivation
A rat study from Nagoya University suggests orexin neurons help the brain sustain effort, offering new clues about motiv...
Scientists Model the Health Costs of Cannibalism
A PNAS study models the calorie and infection costs of cannibalism, showing why the practice is biologically risky and r...
Earth's Insect Diversity May Be Far Greater Than Scientists Expected
A new study suggests Earth may have 14 to 20 million insect species, far beyond earlier estimates, reshaping how scienti...
New Insights into Chess: When Quick Decisions Lead to Better Moves
A recent study analyzing over 215,000 chess moves from approximately 3,600 professional games has uncovered intriguing i...