Katie Venit

  • Why Is That?How Do Frozen Frogs Survive the Winter?

    Why Is That?How Do Frozen Frogs Survive the Winter?

    Imagine you’re a frog. Because you’re cold-blooded, your body is the same temperature as your surroundings. So as the temperature around you drops, your body also gets colder and colder, and you move slower and slower. You don’t have clothes or a furnace to keep you warm. You don’t even have fur! So what do…

  • Winter Layers

    Winter Layers

    In 1996, I was 16 and living in Bethesda, Maryland (January mean temperature: 37 degrees). One ordinary brown January afternoon, my siblings and I went to see 12 Monkeys. While we sat in the dark theater, a surprise Nor’easter snuck over the East Coast. A couple of hours later we emerged and stared at the swirling…

  • What Is Frost? Explaining Icy Winter Patterns

    What Is Frost? Explaining Icy Winter Patterns

    Brrrr … it’s getting chilly out there! It’s fun to walk out in the mornings and see that lovely coating of white frost. But what is frost, anyway? There are different kinds of frost, depending on how they were formed. Radiation frost is the most common and is what accumulates on windshields in the morning.…

  • Why Does Poison Ivy Itch?

    Why Does Poison Ivy Itch?

    You’re in the woods, building a fort or exploring, and having a great time. A few hours later, you get a horrible, itchy rash. Argh, poison ivy! Despite the name, poison ivy does not make poison. Instead, every part of the poison ivy plant – leaves, stem, vine, berries, roots – makes an oil called…

  • Why is That? Why Does Birch Tree Bark Peel Off?

    Why is That? Why Does Birch Tree Bark Peel Off?

    Originally appeared in Chippewa Valley Family Magazine. Birch bark can be so tempting to peeeel off. But wait! Is that a good idea? Why is the bark coming off, anyway? Is the birch sick? Let’s look at the layers of a tree. Bark is made of two layers, outer and inner bark. Outer bark is…

  • What Happens After You Flush?

    What Happens After You Flush?

    Ever wonder what happens to poop and toilet paper after you flush the potty? All your house’s drains empty into the same outgoing sewer pipes. Water (and other things) from your toilet mixes with the water from your shower and your sinks. Any food chopped up with your garbage disposal goes into the sewer, too.…