Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.
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A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.
Opinion is divided on a new paper showing that adult ovaries do not contain egg-making stem cells, contrary to the findings of two recent studies that themselves appeared to overturn longstanding dogma.
The rate of evolution is affected for millenia after mass extinctions.
The recently hyped amoeba-flagellate Collodictyon has many secrets to tell about early eukaryotic evolution.
Evolving, The Moral Molecule, Aping Mankind, and Experiment Eleven
The discovery of the 2.5-million-year-old Taung Child skull marked a turning point in the study of human brain evolution.
The second of the two controversial bird flu papers is published in Science, revealing that just five mutations can render the virus transmissible between ferrets.
Shortly after a rat infested supply ship ran aground in Lord Howe Island off the east coast of Australia in 1918, the newly introduced mammals wiped out the island's phasmids—stick insects the size of a human hand. Ever since, phasmids have been cons
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