Animals

  1. Animals

    Gut microbes may put barrier between species

    Wiping out gut bacteria in wasps saves crossbred offspring from death, suggesting that microbes may play a role in speciation.

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  2. Animals

    Honeybees use right antennae to tell friend from foe

    Asymmetry in sense of smell alters insects' behavior in lab tests.

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  3. Animals

    Cicadas’ odd life cycle poses evolutionary conundrums

    Scientists are getting an idea about the odd family tree of periodical cicadas, how the insects synchronize their life cycles and why they breed side-by-side with others unsuitable for mating.

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  4. Animals

    Lemurs’ group size predicts social intelligence

    Primates that live with many others know not to steal food when someone is watching.

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  5. Animals

    Elephant diets changed millions of years before their teeth

    The animals fed on grasses long before their molars could grind the tough plants.

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  6. Animals

    In dark fishing spiders, males’ postmating nap is permanent

    Species prepares for two pairings but goes into a fatal coma after a single encounter.

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  7. Animals

    Oysters may struggle to build shells as carbon dioxide rises

    Ocean acidification could hamper larvae's growth.

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  8. Animals

    Butterflies’ tidy drinking tricks

    The long tube of the insects' mouthparts is fluid friendly only at the tip.

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  9. Animals

    In the Eye of the Tiger

    Global spread of Asian tiger mosquito could fuel outbreaks of tropical disease in temperate regions.

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  10. Animals

    Now-extinct wolf may be ancestor of modern-day dogs

    No strong signs of canine ancestry among living grey wolves.

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  11. Animals

    Lyrebirds dance to their own music

    In mating display, male birds match moves to songs.

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  12. Animals

    Dead, live guppies vie for paternity

    Females can use sperm months after mates go belly up.

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