How, If, and Why Species Form
Biologists have struggled for centuries to properly define what constitutes a “species.” They may have been asking the wrong question—many smaller organisms might not form species at all.
Dating the Origin of Us
Theoretical anthropogeny seeks to understand how Homo sapiens rose to a position of global dominance.
High-throughput sequencing without PCR could make estimates of biodiversity more precise.
In mycelial bacteria, a protein that self-assembles into cytoskeletal networks is recruited to growing tips to shore up newly synthesized cell walls.
Cell-adhesion molecules help newborn neurons migrate to their intended destinations within the neocortex.
Neurons Govern Immunity
Hunger-associated molecules in the hypothalamus suppress inflammation.
By audaciously pursuing an abandoned area of research, Ana María Cuervo discovered how cells selectively break down their waste, and revealed the health consequences when that process malfunctions.