branches of biology

  • How Dogs Evolved to Be So Cute: More Human-Like Facial Muscles

    How Dogs Evolved to Be So Cute: More Human-Like Facial Muscles

    New preliminary data offers insight into why we may find dogs to be so darn loveable. A study found that dogs generally have faster facial muscles than wolves — muscles that allow them to quickly react with more expression, similar to humans. These same muscles may also help explain why dogs tend to bark, while…


  • Lions Got Super Mellow After Sniffing Oxytocin

    Lions Got Super Mellow After Sniffing Oxytocin

    Scientists in South Africa recently lured captive lions up to a fence with raw meat and then puffed the hormone oxytocin into their noses. The unusual experiment aimed to find out if the so-called love hormone could make the big cats friendlier to each other — and that’s exactly what happened.