caterpillar

Take a look at this picture I took in about 1988. What's going on here? I'll tell you the answer right below the picture. Ok, are you done guessing? The three pictures are actually in reverse order. The crew is actually pulling the cat back onto it's tracks - not the other way around. How...

I have a birch (betula pendula i think) in my backyard here in southeren Sweden, it is about 2.5-3ft on the stump. I noticed today that the trunk as far as I can see up to at least 30ft is covered in fine webbing that runs vertically. When you look up the trunk it almost looks as thought it is...