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Life & Evolution

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Chimpanzees can’t go to a mattress store when they need a bed. They have to create one each night from tree branches.

The 300-million-year-old meat-eating Eocasea martini (full animal in this illustration) may have made it possible for larger plant-eaters such as Cotylorhynchus (illustrated footprint shown) to exist.

HERS, NOT HIS  A small female Neotrogla bark louse extends an inflatable, penislike organ (less than a millimeter long, shown in orange), which fits into a vaginalike pocket inside the male of her species and collects his sperm.  

  • Animals

    
    Wild Things

    How a chimp goes mattress hunting

    Chimpanzees prefer firm beds made of ironwood, a new study finds.

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  • Plants

    
    Science Ticker

    Milkweed 'horns' may equal wins in reproduction battle

    Plants may be ripping a page right from bucks’ playbooks, developing hornlike weapons to improve their chances of reproduction.

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  • Microbes

    Say What?

    Osmotroph

    An organism that eats by osmosis, relying on nutrients diffusing into its body from a higher concentration in its environment.
  • Fungi

    It's Alive

    Fungal fight club

    Combat between fungal individuals is a bit like war between heaps of spaghetti.
  • Conservation

    
    Science Ticker

    Nonhuman city natives in decline but can be conserved

    Cities have been a downer on biodiversity but native populations still remain in urban areas, offering a starting point for possible conservation efforts.

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  • Evolution

  • Ecology

    Reviews & Previews

    Do your bit for bumblebees

    The Xerces Society for Invertebrate Conservation and its partners have launched the Bumble Bee Watch website to track sightings. When you see a bee bumbling around, snap a photo.
  • Paleontology

    
    Science Ticker

    Early meat-eater may have led to larger plant-eaters

    The newly identified Eocasea martini may have set the stage for later, much larger animals to become plant-eaters.

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    Science Ticker

    Fish gill fossils gnaw at ideas of jaw evolution

    Bony fishes, not modern sharks, may provide a better understanding of the earliest jawed animals and the evolution of the jaw itself.

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  • Biophysics

  • Other

    
    Deleted Scenes

    The Sopranos with feathers

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