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 ...

Screw-shaped bird sperm swim faster—but it comes at a cost

A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...

New species of mastodon discovered in California

A team of researchers affiliated with several institutions in the U.S. has discovered a new species of mastodon. In their paper uploaded to the peer-reviewed journal PeerJ, the group describes discovering the new species ...

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