Click the photos to see the answers to the questions.
Answers are posted every night.

Do beavers really eat trees?

The human brain does some amazing things. Sometimes it only takes a slight shift in perspective for you to see something that has been staring you in the face all of your life. What does that have to do with this photo?

What is a burl?

What is unusual about the species Anas platyrhynchos, commonly known as a Mallard Duck?

Besides humans, what other creatures yawn?

Another interesting beach find. What is it?

Like many other animals, this squirrel is dark colored on its back, and light colored on its underside. Why?

This is a piece of fossil turtle bone. Alligators, some turtles and some fish have bones with ridges like this. What function do the ridges serve?

What is unusual about the reproduction of this creature?

These interesting bugs gathered in our yard. (Yes, these really are bugs.) They are being studied extensively by a variety of scientists. Why?

I photographed these honeybees yesterday. Why are they gathered in this tree?

What are these birds doing?

While weight changes with changes in gravitational pull, mass does not. If you were on the Moon, you could still accurately measure the mass of an object by using a balance scale instead of a spring scale. The different pull of gravity would still balance the mass of the object with the mass of the measuring weights on the other side. Could you accurately measure the mass of an object in free fall, where its weight did not register at all? If so, how?

What is the difference between weathering and erosion?