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More Naturalist Nightmares

28 Apr

Our local NPR station has a fun feature called “The 90 Second Naturalist“.

This is a short done by Thane Maynard, director of the Cincinnati Zoo & Botanical Gardens and each day he shares some fascinating info about the natural world. It’s a ritual in our family to listen to it right before the kids go to bed. Two recent episodes set my gamer’s brain to twitching.

The first was about cone snails, two species of which, “have turned insulin into an underwater weapon.” Cone snails are predators who hunt fish for prey. These snails release a cloud of “weaponized” insulin which the fish suck up through their gills causing their energy to plummet and effectively paralyzing them. Unable to swim away they become an easy meal for the slow moving killers.

Let’s think about that a little more deeply; These species have turned a chemical we all need to survive into a weapon. It doesn’t knock the victim out, it doesn’t render them senseless, and it doesn’t dull their nerves. It saps the energy out of them so they can’t flee from the killer they can see moving inexorably closer to them. Slowly. To devour them. At a snail’s pace.

I do not share such thoughts with my children before bedtime.

The second story that caught my attention was about black widow spiders. It turns out that the black widow’s venom has evolved rapidly and is much stronger than necessary for eating insects. The black widow is capable of killing larger prey, such as small mammals and reptiles. Scientists think that this powerful venom is natures way of expanding the spiders’ menu.

If this news isn’t unsettling enough the episode goes on to say, “scientists have discovered that the spiders are even crafting stronger webs to handle ever-bigger prey.”

We have this image of Mother Nature as some kind, benevolent caretaker of the Earth when in reality she’s a cackling mad scientist, constantly developing new horrors to unleash into the world.

The 90 Second Naturalist airs every weekday on WVXU/WMUB and can be heard on the web at this link.

 

 

 

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