Biggest Breakthroughs in Biology 2025

By Quanta Magazine

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2025’s most surprising breakthroughs in biology included a finding that a father’s environmental exposures can impact the development of their offspring, research confirming that intelligence evolved independently in birds and mammals, and a new mathematical model reveals that evolution happens in explosive bursts. 0:04 TWO PATH'S TO INTELLIGENCE A group of international studies comparing brain development in birds and mammals suggests that vertebrate intelligence evolved independently, multiple times. Despite the differences in the brain structures in birds and mammals, the separate evolutionary paths converged on a similar form of functional intelligence. Original Papers: "Constrained roads to complex brains" https://www.science.org/doi/10.1126/science.adv2609 Read more at Quanta Magazine: https://www.quantamagazine.org/intelligence-evolved-at-least-twice-in-vertebrate-animals-20250407/ 05:14 SPERM'S HIDDEN MESSENGERS A host of recent research suggests that traits from a father

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