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    Like Humans, These Ants Can Perform Leg Amputations To Save Lives

    en-usJuly 10, 2024
    What medical practice do ants perform that challenges human assumptions?
    How do ants treat injuries in their colony?
    Why is amputation effective for upper leg injuries in ants?
    What behaviors do ants use to protect their colonies?
    How do ant behaviors compare to human public health measures?

    Podcast Summary

    • Ant medicineAnts have been practicing medicine, including therapeutic amputation, for much longer than humans, challenging our perception of medical advancements

      Ants, these tiny creatures often found in our backyards, have been practicing a form of medicine, including therapeutic amputation, for much longer than humans. This discovery, reported by NPR's science correspondent Nell Greenfield-Boys, challenges our perception of medical advancements and the capabilities of the natural world. The practice of amputation, a common medical treatment for humans dating back over 30,000 years, is not exclusive to us. Common carpenter ants, for instance, have been observed treating injured members of their colony by amputating the affected body part. This intriguing behavior showcases the complexity and sophistication of the ant society, which includes agriculture and care for their injured. This research not only highlights the wonders of the natural world but also challenges our assumptions about medical advancements and the capabilities of different species.

    • Ant healthcare systemAnts exhibit advanced problem-solving abilities by performing clinical amputations on injured soldiers and caring for the wounded in their colony

      Ants, like soldiers in a war, can get injured during their battles and territorial conflicts. However, unlike humans, ants have a unique healthcare system where their nest mates take care of the wounded. Scientists have discovered that ants even perform clinical amputations, selectively choosing to remove injured limbs to save the ant's life. This complex behavior shows the advanced social structure and problem-solving abilities of ants. This discovery not only adds to our understanding of the natural world but also highlights the importance of studying even the smallest creatures for their potential insights.

    • Ant care for injured comradesAnts show remarkable care towards their injured comrades by carrying them home and providing antimicrobial secretions to prevent infections, ensuring their full recovery

      Ants exhibit remarkable care and cooperation towards their injured comrades. Research conducted by tropical biologist Eric Frank revealed that injured ants are often carried home by their fellow ants, who show no signs of abandoning them. These injured ants usually make a full recovery due to the attentive grooming and licking they receive from their companions. This behavior is made possible by the ants' unique glands, which are filled with antimicrobial secretions that help prevent infections. Essentially, ants display a strong sense of community and care for their wounded, ensuring no ant is left behind.

    • Ant amputationFlorida carpenter ants perform amputations on their nest mates by having them present their injured leg and then chewing it off, acting as a natural remedy during the pandemic when they couldn't travel to study other ant species

      Worker ants exhibit unique healing abilities by applying secretions to their nest mates' wounds, acting as natural antibiotics. However, it's the Florida carpenter ant that was discovered to engage in medical amputation when researchers couldn't travel during the pandemic. Unlike the previous ant species studied, the Florida carpenter ant doesn't possess the special gland for this secretion. Curiosity piqued, researchers observed the ants in a lab setting and witnessed them amputating injured legs of their colony members. The amputation process is not surgical; instead, an injured ant presents its affected leg to a nest mate, who licks the wound and chews through the leg to sever it, taking several minutes to complete the procedure. This discovery showcases the adaptability and resourcefulness of scientists during the pandemic, as they made significant findings by studying local species.

    • Ant amputationAnts amputate injured limbs to prevent infection spread, but only if the injury is above a certain point, indicating their understanding of infection spread and colony survival

      Ants exhibit a unique form of collaboration and self-preservation through amputations. These amputations, often performed by the ant colony in response to injuries, can be life-saving by preventing the spread of infection. However, the decision to amputate seems to depend on the location of the injury. For upper leg injuries, ants will amputate at the shoulder. But for injuries closer to the ant's foot, they do not amputate. Research suggests that this is because the ants understand that amputating a leg further down would not help prevent the spread of infection. This behavior, which is crucial for the survival of the ant colony, highlights the complex social structures and problem-solving abilities of ants.

    • Ant injury responseAnts respond differently to injuries based on location, with upper leg injuries requiring amputation and lower leg injuries requiring extensive tending

      Ants don't behave like humans when it comes to injuries and healing. Unlike humans, ants don't have hearts, but instead, they have muscular pumps throughout their body, including in their legs. When an ant gets injured in the upper leg area, the damaged muscles affect the pumping of liquid, slowing down the spread of infection. This makes amputation an effective treatment for upper leg injuries. However, for lower leg injuries, the infection spreads quickly, and amputation is not effective. Instead, ants spend a lot of time tending to the wounds, which often saves their lives. This targeted response is a result of evolution, not individual ants with medical degrees. The study by Eric Frank and his colleagues confirmed these findings experimentally.

    • Ant behaviorsAnts exhibit complex behaviors to protect their colonies, such as social isolation, self-sacrifice, and amputations, ensuring colony success, not driven by empathy or love but survival.

      Ants have evolved complex behaviors to protect their colonies, including social isolation of infected individuals, self-sacrifice, and even amputations. These behaviors are not driven by empathy or love, but rather by the survival and success of the colony as a whole. These adaptive strategies have gone unnoticed for a long time, despite ants being a common sight for many people. For instance, Carpenter Ants, which are larger than the typical ant and common in areas where people live, exhibit these behaviors. Their usefulness is evident as these actions result in larger armies and greater colony success. It's fascinating to consider the parallels between these ant behaviors and human public health measures during pandemics. This is a prime example of evolution at work, with ants utilizing these strategies to ensure their colony's longevity. The fact that we have been living alongside these ants for a long time and only recently discovered these behaviors is a testament to their subtlety and effectiveness.

    • Ant behaviorsAnts display intricate behaviors, revealing vast knowledge to be gained about insects and the podcast world a potential source of endless fascination, stay informed during elections through recommended podcasts.

      Ants, which can be found in our backyards, exhibit complex behaviors that challenge our perception of their capabilities. This discussion between the speaker and the podcast host also highlights the vast amount of knowledge we still have to gain about insects and their behaviors. The podcast world itself was brought up as a potential source of endless fascination, with the hypothetical scenario of ants having their own science podcast. The episode concludes with a reminder of the importance of staying informed during the election season, with recommendations for podcasts like the NPR Politics Podcast and Up First to help sort through the news.

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