PBS Logo NPR Logo
Public Media for Central Pennsylvania

 

Testing the “5 Second Rule”

Instructor shows students petri dish

Would you eat food that you dropped on the floor if you picked it up in less than five seconds? People call it “the five second rule” but is it true or false?

 

More Episodes

lemon battery

Can You Get Power from a Lemon?

2/9/18 | 2m 13s

Science U students

Science-U at Home Special

12/26/21 | 25m 46s

Instructor holding a pizza box, aluminum foil, and other items to make a solar oven

How To Make a Solar Oven

2/2/16 | 1m 54s

Several young students putting their hands in a mixture of corn starch and water

Oobleck

2/2/16 | 1m 40s

 

« Digital Home Page