gayman from edmond, oklahoma.hey should find a new way to abbreviate standardized. >> oh, an std test. >> can you imagine? >> oh, no. >> all right, good. >> our next photo was sent in by katie kauffman from southberry, connecticut. what do you suppose a humped zebra looks like? this is actually a sign for a speed bump. that's actually an indicator of a speed bump. >> that's what they call a humped zebra? >> yeah, which i don't understand at all. >> a speed bump, where an area a humped zebra goes crossing. that's it, and i'm sticking to it. that makes me happy to think of that. >> the third photo comes from liz ruiz. i have an appointment with dr. acula. >> yeah. and a photo from sandy from pittsburgh, pennsylvania. shouldn't they post this sign at the bottom of the hill? look how happy she is. she is like i'm up here. >> that's the worst feeling, though, when you get off on the wrong lift and you discover that it's all like diamonds and -- >> i had to take my skis off once and slide down on my rump. >> you did? >>