Poison frogs appear to have built their chemical defenses gradually: related frogs store low to moderate levels of ...

The study outlines a new scenario for understanding how genome regulation and chromatin organization influence the evolution of animal body plans. The conservation of genome regulatory elements over ...

Cell division is fundamental to life, enabling growth, reproduction, and survival across all organisms, from single-celled bacteria to complex multicellular animals. While animals and fungi share a ...

Why molecular biology needs palaeontology / S. Conway Morris -- Can the Cambrian explosion be inferred through molecular phylogeny? / H. Philippe, A. Chenuil, A. Adoutte -- Protein families in the ...

Researchers have discovered a previously unknown mechanism by which bacteria share their genetic material through virus parasites. The insights could help scientists to better understand how bacteria ...

The second science -- Simple selection -- The genetic and ecological context of selection -- History, chance, and necessity -- The rate of genetic deterioration -- The rate of environmental ...

Ironically, one great unsolved problem in Darwin's master work, On the Origin of Species, was just that: How and why do species originate? Darwin and his later followers were faced with a seeming ...

Immune checkpoint blockade (ICB) has reshaped modern immunotherapy by unleashing antitumor immune responses through targeting inhibitory immune checkpoints ...

In new research, Arizona State University scientists and their colleagues investigated genetic changes occurring in a naturally isolated population of the water flea, Daphnia pulex. This tiny ...