in our sunday morning cover story. reporter: asian carp. mussels from europe. burmese pythons. they re more than making it in america. their numbers are exploding with devastating results. when scientists look into the future, they see the potential for many more damaging species. reporter: you make it sound like we re under attack everywhere. we are under attack everywhere. reporter: invasive species. the natural order completely up in the air. later on sunday morning. osgood: when you see trick or treat at somebody s doorstep you re hoping for something good enough to eat. but what if the house and the doorstep themselves are a trick, a deception by a skilled photographer. martha teichner will show us a master of the art. reporter: no, you re not hallucinating. you re looking at carl warner s edible landscapes. so the sea is made out of little fish. yes. because they have that lovely silver in it and they reflect the sky they just kind of look like water at
southerly andsouthwesterly flow around that high is going to be warming things up today. we should be making it into the low 90s. the record is 98. and tn tomorrow we may be near or breaking the record. record is 94. we may be right near that by midafternoon. then finally, things get more reasonable, but still warmer than arage on saturday. sunday some clouds around. there s a small chance of a passing power on sunday, with an east and southeterly flow. we ll take a look into next week coming up. let s check traffic now on this thursday morning. jerry, how s it looking? good morning, everyone. looking pretty goods we get going. lots of overnight oadwork including this stretch 6 the capital beltway on theva side. travel around the dulles toll road. a couple of las closed in the overnight hours. and there has been a couple of complete closures. most of the roadwork should be picked up. i don t see too many construction barrels left. let s head over to maryland along i-270. ri