Featured series 
Tag: Speciation
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Nation & World
Why are hybrid animals sterile?
Study of crossbred butterflies suggests multiple genes involved
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Nation & World
Written in the bones
Harvard doctoral students offered a glimpse of the future of evolutionary inquiry, outlining projects that touch on the human pelvis, butterfly hybrids, field and forest mice, and the mystery of an ancient pile of bones.
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Nation & World
The Amazon as engine of diverse life
Researchers believe that many of the plants and animals that call Latin America home may have their roots in the Amazon region.
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Nation & World
Study of lizards shows trade as a force in biodiversity
New research shows that trade is one of the major drivers of biodiversity among lizard species in the Caribbean islands.
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Nation & World
Tailored to fit
The dramatic diversity of columbine flowers can be explained by a simple change in cell shape. To match the pollinators’ probing tongues, the flowers’ cells in floral spurs elongate, driving rapid speciation.
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Nation & World
Giving hybrids some respect
Harvard researchers have used genetic analysis to confirm that the Appalachian tiger swallowtail butterfly arose through hybridization of two other species, the Canadian and Eastern tiger swallowtails, highlighting a rare case of speciation through hybridization in animals.
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Nation & World
Caught in the act
Breaking up may actually not be hard to do, say scientists who’ve found a population of butterflies that may be on its way to a split into two distinct species.
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Nation & World
Re-examining Darwin’s thoughts on species
Radcliffe Fellow James Mallet says Darwin’s idea of speciation as a step in a continuum of differences reflects reality in nature.
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Nation & World
Growing her own answers
Assistant Professor Kirsten Bomblies examines plant immune responses for clues about genetic divergence.
