Dorothy Hinshaw Patent
Nature’s Animal Ambassador
Do your feet sometimes smell rotten? Do you wish you could toss out your shoes and start with a new pair? We make jokes about smelly feet, but smell and feet have a very different relationship among some insects.
Take butterflies. Have you ever watched a butterfly flit over a plant, gently touch its feet to a leaf, and then fly on to the next leaf? That butterfly isn’t being picky about where to land. It’s hunting for the right kind of leaf for laying its eggs. It’s “smelling” the leaf with its feet!
Actually, we need to qualify that statement a bit. Some writers will say the insect is “smelling” the leaf while others may write that it’s “tasting” the leaf. Smelling and tasting are forms of “chemoreception,” or sensing of chemicals. Smell usually refers to sensing from a distance while tasting generally means actually touching the nerve cells that sense a chemical.
We humans have cells in our noses that send messages to our brains about chemicals in the air. We call that our sense of smell. We have cells on our tongues that sense chemicals dissolved in liquid in our mouths. That’s taste.
That butterfly doesn’t have a nose, and its mouth is a long tube for sucking up nectar from flowers. Its chemoreceptors are elsewhere, like on its feet, around its mouth, and on its antennae. Most butterflies lay their eggs on the plants that the hatched caterpillars will eat. Some species are very specific about what plants their young can feed on. Take the postman butterfly, which lives in Central and South America. Its caterpillars can only survive on certain species of passionflower vines. Other species are poisonous to their offspring.
The female postman butterfly has dozens of special nerve cells on her feet called “gustatory sensilla.” Scientists think that when she touches gently down on a leaf, these cells can sense chemicals there that would be poisonous to her caterpillars. She avoids laying eggs on those leaves. But when she finds a plant that will nourish her young, she’ll alight and lay her eggs.
Now take your shoes off and move your feet around on the floor. The only nerve endings on your feet are ones that sense touch. But then, you don’t need to be able to smell the ground you walk on. Imagine how gross it would be if your feet could smell the insides of your socks and shoes—yuck!
A dog’s nose is 300 times more powerful than a human nose, so it’s no wonder that dogs use their incredibly advanced sense of smell to do some very important jobs. In Super Sniffers, Dorothy Hinshaw Patent explores the various ways specific dogs have put their super sniffing ability to use: from bedbug sniffers to explosive detectors to life-saving allergy detectors . . . and more. This dynamic photo-essay includes first-hand accounts from the people who work closely with these amazing dogs. For more information, click here.
Dorothy Hinshaw Patent is a member of iNK's Authors on Call and is available for classroom programs through Field Trip Zoom, a terrific technology that requires only a computer, wifi, and a webcam. Click here to find out more.
MLA 8 Citation
Patent, Dorothy Hinshaw. "Smelling Feet or Smelly Feet?" Nonfiction Minute, iNK
Think Tank, 23 Jan. 2018, www.nonfictionminute.org/the-nonfiction-minute/
Curiosity Queen: writing science, history, and everything in between
Regular visiting hours are over at the Buffalo Botanical Gardens, but the line to see Morty reaches out the door. It’s an event that comes once in a decade, so I’m happy to wait for my chance to see, and smell, what’s inside.
A year ago the Botanical Gardens acquired corms or bulbs of a tropical plant called the corpse flower. These aren’t little tulip bulbs you hold in your hand. The corpse flower corm weighs 120 pounds and looks like a giant potato. A corm that big needs a lot of energy to grow, so, it spends several months dormant underground. When the first hint of green peeks through the soil, it’s a guessing game as to what it will look like. Most of the time, the corpse flower will send up a slender shoot and one complex leaf that looks like a tree canopy. Through photosynthesis, this leaf will provide energy that will be stored in the corm. When there is enough energy stored up, Morty will flower. And that’s what I’m excited to witness.
Weaving my way through displays of cactus, palms, and banana trees, I wonder if someone forgot to take the trash out. The odor of rotting meat wrinkles my nose, and I realize why Morty is called a corpse flower. As we move closer, the air grows thicker. This plant has been dumpster diving.
The stink Morty sends forth is the plant’s way to attract pollinators in its native jungle of Sumatra. The flower only lasts a day or two, so the scent has to be pungent enough to quickly draw in dung beetles and carrion flies that will collect the pollen and distribute it to other plants before it wilts. It’s curiosity that lures me in.
I round the corner and catch my first glimpse of the stinker. Since it poked out of the ground it has grown five to six inches every day, and now Morty’s seven-foot spire, called a spadix, towers over me. I have to step back to catch the entire plant in my camera lens. Like a wicked witch’s collar, Morty wears a single pleated, blood red flower petal wrapped around the spadix. By midnight the flower will be fully opened and have reached maximum reek.
I click more pictures and take a deep breath. It will be a long time before Morty blooms again, and I want to remember every smelly detail.
Peggy Thomas certainly is a Curiosity Queen. You'll recall that her last Nonfiction Minute showed her taking an elephant's temperature -- not an easy task. Her book Anatomy of Nonfiction shows other authors how to write about real events.
To read about some of Peggy's other adventures and to find out about her books, visit her website.
MLA 8 Citation
Thomas, Peggy. "Morty Makes a Stink." Nonfiction Minute, iNK Think Tank, 9 01 2018, www.nonfictionminute.org/the-nonfiction-minute/Morty-Makes-a-Stink.
Curiosity queen; writing science, history,
and everything in between
Writing a recipe is harder than it looks. I found this out when a children’s magazine editor asked me to add a recipe to my article about eating insects.
First, I thumbed through my recipe file mentally substituting bugs for a vital ingredient. Mushrooms stuffed with millipedes was out. (Most kids don’t like mushrooms.) I nixed beetle sausage, also. (Too much chopping and frying in a hot skillet.) Flipping to desserts, I chose toffee. I could substitute bugs for nuts.
After my trip to the grocery store for butter, sugar and chocolate chips, I visited the pet shop, and asked for a cup of mealworms, which are fly larvae (also known as maggots, but that’s not very appetizing). The man handed me a little carton that looked like a Skippy cup of ice cream. I wrote that down because I would need to pass that information on to readers who, like me, had no clue how to purchase creepy-crawlies.
With all the ingredients on the counter I recorded each step:
After that, I was on familiar ground blending butter and sugar, and sprinkling chocolate chips.
I called my concoction Toffee Surprise, and taste-tested it in a large group setting where peer pressure encouraged full participation -- my mother’s birthday party! The verdict: The toffee was yummy, crunchy, and sweet with a subtle earthy aftertaste.
Although I don’t plan on cooking more edible vermin, I did learn some important rules for writing a recipe: Choose a food that is reader-friendly; be aware of your readers’ abilities and safety issues; record every step in order; pay attention to even the smallest details; and prepare it yourself so you can work out the bugs (no pun intended).
Peggy Thomas is the co-author of Anatomy of Nonfiction, the only writer's guide for children's nonfiction. To find out more about Peggy, visit her website. She also has a blog for writers, based on the book.
Peggy Thomas is a member of iNK's Authors on Call and is available for classroom programs through FieldTripZoom, a terrific technology that requires only a computer, wifi, and a webcam. Click here to find out more.
MLA 8 Citation
Thomas, Peggy. “How to Take an Elephant’s Temperature.” Nonfiction Minute, iNK Think Tank, 7 Nov. 2017, www.nonfictionminute.org/baking-with-bugs;-how-to-write-a-recipe.
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The NCSS-CBC Notable Social Studies Committee is pleased to inform you
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