what is time? what is consciousness? how does the human brain construct reality? deep thoughts here. dr. sanjay gupta has more in the next list. this week on the next list, two innovators turning reality inside out. does time really slow down? we all assume that time is just a river that s flowing past. reporter: neuroscientist david eagleman puts his theory to the test. what we did is we dropped people from a 150 foot tall tower. reporter: chef omarokantu. edible mens to sour foods that taste sweet. how this modern day willie wonka is reimagining the way we eat. their stories, 2:30 eastern saturday on the next list.
erin mcpike, i m mad. what s going on? reporter: there are two new incidents today. one is a statue at the smithsonian castle and some park police, security guards, noticed some green paerent yesterday an they re trying to figure utility if it s tied to the lincoln memorial vandalism. they don t know. and today a second site at the bethlehem chapel in the crypt level. the police are investigating that. we don t know if any of these incidents are related but they re investigating. i know they were looking at the surveillance tape. nothing so far? reporter: nothing so far. but they will release the video if they think it will help them catch who did this, brooke. thank you very much. for the first time in years,