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 ...

Gastrointestinal (GI) cancers represent a complex interplay of genetic mutations, epigenetic alterations, and environmental factors. The initiation and progression of these cancers are influenced by ...

In the mid-19th century, Charles Darwin unveiled a revolutionary idea. Darwin’s On the Origin of Species crashed through the ...

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 ...

The asexual oribatid mite Platynothrus peltifer reproduces parthenogenetically: Mothers produce daughters from unfertilized eggs, resulting in a population consisting entirely of females. In ...

Soluble rocks, such as limestone and dolomite, can create karst formations, including caves, gullies, and troughs, due to ...

The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

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