Volume 325, Issue 4
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Features
Massively Reducing Food Waste Could Feed the World
It would also greatly cut greenhouse gas emissions
Weird Muons May Point to New Particles and Forces of Nature
A mismatch between theory and experiment could explain big physics mysteries
Wildfire Is Transforming Alaska and Amplifying Climate Change
Although conflagrations in lower latitudes get more attention, wildfires across the high north are affecting the planet even more
Infinity Category Theory Offers a Bird's-Eye View of Mathematics
Mathematicians have expanded category theory into infinite dimensions, revealing new connections among mathematical concepts
Extreme Birding Competition Is a Cutthroat Test of Skill, Strategy and Endurance
A team of birders races to find as many bird species as possible in 24 hours
Social Capital in Black Communities Is Often Overlooked
Altruism, spirituality and civic engagement are keys to resilience
AI Designs Quantum Physics Experiments beyond What Any Human Has Conceived
Originally built to speed up calculations, a machine-learning system is now making shocking progress at the frontiers of experimental quantum physics