By turning higher category theory on itself, Riehl hopes to make the powerful perspective more accessible to other mathematicians.
Claudia de Rham explains why gravity is so fundamental to our understanding of everything in the universe.
Liz MacDonald discusses what more people should know about the auroras.
James Maynard talks about why he’s obsessed with prime numbers.
Highlights from Tara C. Smith’s live YouTube event on May 1, 2020, in which she answered reader questions about the COVID-19 pandemic.
Evidence from the oceans decisively shows that an asteroid strike caused the last mass extinction, argues Pincelli Hull. The cataclysm continues to hold lessons for today.