132K views · 1.2K reactions | How to Make Quicksand Thanksgiving Gravy - This afternoon on Spangler Science Monday at 9NEWS (KUSA) we explored what happens if you add too much cornstarch to your gravy. Here's that idea taken to the extreme on the Ellen DeGeneres Show back in 2008 when we used 2,500 boxes of cornstarch and a cement truck. Take a look... | Steve Spangler | Facebook