Floating Ice

Floating Ice

Imagine a lake filled with fish, plants, and other creatures. In the winter, the top of the lake freezes and turns into ice. What if that ice sank to the bottom, then more ice formed on the top, and this cycle repeated?  Eventually ice would completely fill the lake,...
The Great Unconformity

The Great Unconformity

Have you ever heard of the Great Unconformity?   This is a distinct, essentially flat surface, often separating the lowest layer of sedimentary rock from upper layers of metamorphic rock. It is called the Great Unconformity because it extends across all of North...
Bird Breath

Bird Breath

Did you know that birds do not breathe in and out like we do?   Birds have a different breathing system with rigid lungs that act like filters. Air flows through the lungs to air sacs that are sandwiched between muscles and limbs, acting as bellows to move the air.  ...
Incredible Folding

Incredible Folding

Have you considered the bud of a beech tree? This tiny bud, less than one inch long, opens to produce a leaf which is six inches across. How can such a big leaf come from such a tiny bud? It is folded in a precise way to allow maximum packing efficiency, without the...
The Clotting Cascade

The Clotting Cascade

Have you considered the scab on your arm? Do you realize that it takes ten processes to form that scab? This is called the Clotting Cascade. There are ten specific individual chemicals that must react in a domino effect in order for a blood clot to form. If one of...
What Do the Fossils Say?

What Do the Fossils Say?

Did you know that insect fossils have been found in the same layer as dinosaurs? These insects look just like the ones we see today. If evolution were true, we should find one creature changing into another in the fossil record. But the fossil evidence shows no...