In the Know

How strong is spider silk?

You see a circular web glowing in the sunlight. A golden orb weaving spider has woven another masterpiece. You accidentally walk through it. The strands break and feel sticky. For a horsefly, though, the web … Read more

In the Know

Flex Your Ear Muscles!  

Not everyone can wiggle their ears, but everyone has ear muscles. These ears muscles  flex when you are trying hard to listen. You don’t even have to think about it! When a dog hears a … Read more

Western Diamondback Rattlesnake
In the Know

Snake Bites That Save Lives  

Snake bites can be very dangerous. Tim Friede knows this all too well. The Wisconsin man was hospitalized after two cobra bites. But that did not keep him away from snakes. In fact, it had … Read more

Tree trunks with strips of bright colors
In the Know

Nature’s Beauty: The Rainbow Eucalyptus Tree

Are you wondering what happened to these trees? No—they haven’t been painted. This is the rainbow eucalyptus tree (Eucalyptus deglupta). The colorful stripes are natural. The rainbow eucalyptus is naturally found in New Guinea, Indonesia, … Read more

In the Know

What Is Blue Light?

Do your eyes hurt after looking at screens for a long time?  Some eyeglasses claim to protect our eyes from light coming from screens. Are these glasses necessary? Blue light is one of the colors … Read more

In the Know

Snowflake Science

This month we explore some fun facts about snow. Snow is NOT frozen rain. Sleet is frozen rain. Snow is frozen water vapor [the gas form of water]. Snow forms when water vapor changes into … Read more