Study tracks genomic changes that reinforce darter speciation

When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce "hybrid" offspring. The males compete with males of their own species and will almost ...

Study raises concerns about prevalent orchid viruses

In a Plants, People, Planet study, researchers investigated the evolution of the two most prevalent orchid viruses using information representing their global distribution. The study revealed that considerable international ...

Two flower species show that close relatives can coexist

Scientists have discovered how two closely-related species of Asiatic dayflower can coexist in the wild despite their competitive relationship. Through a combination of field surveys and artificial pollination experiments, ...

Glowing millipede genitalia help scientists tell species apart

Sometimes, it's really easy for scientists to tell species of animals apart—they'll be obviously different shapes or colors. Other times, different species will look nearly identical to the naked eye. In those cases, scientists ...

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