Animals

  1. Animals

    Swimming evolved several times in treetop ants

    Certain ants living in tropical forest canopies turn out to be fine swimmers.

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  2. Animals

    Feedback

    Readers discuss mammal milk, ancient human genetics and hand washing techniques.

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  3. Animals

    It’s hard being a sea otter mom

    The energy requirements of lactation may explain why some female sea otters abandon their young.

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  4. Life

    Dinos straddled line between cold- and warm-blooded

    Tyrannosaurus rex and other dinosaurs straddled line between cold- and warm-blood, a new analysis finds.

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  5. Life

    California mite becomes fastest land animal

    Despite being the size of a sesame seed, the Paratarsotomus macropalpis mite can outpace Usain Bolt and even a cheetah in terms of body lengths per second.

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  6. Neuroscience

    Crayfish get anxious, too

    After receiving a shock, crayfish act anxious, avoiding brightly lit areas.

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  7. Animals

    Look beyond pest species to find beauty in cockroaches

    A few pest species give the group a bad name, but exotic roaches include an amazing diversity of colors and lifestyles.

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  8. Animals

    See your lawn through a bird’s eyes with YardMap

    A new web tool lets you map your outdoor spaces and wildlife habitat, helping scientists understand how birds use urban and suburban spaces.

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  9. Animals

    Ant sperm swim as a team

    The desert ant has sperm that swim in bundles for extra speed, perhaps increasing their likelihood of fertilizing an egg.

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  10. Animals

    Winter road salting reshapes next summer’s butterflies

    Winter road salt treatments boost sodium in roadside plants and alter development for monarch butterflies.

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  11. Animals

    Deadly bat disease gets easier to diagnose

    White-nose syndrome in bats can be spotted with UV light, scientists have found.

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  12. Paleontology

    Preserved pterosaur eggs hint at reptile’s social life

    The first 3-D pterosaur eggs, which were found in China, suggest that the flying reptiles laid eggs together.

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