AFP News Agency
CLEAN : Coronavirus: Benin enforces mask wearing
Residents of the Beninois capital of Cotonou wear masks in public as the authorities begin enforcing the mandatory wearing of facemasks to halt the coronavirus (Footage by AFPTV via Getty Images)
Sophia Learning
Sophia: Smell & Taste: Lesson 1
This lesson will describe how receptors allow you to detect smells and tastes and will describe the link between taste and smell. It is 1 of 2 in the series titled "Smell & Taste." [6:51]
NOAA
Noaa: Estuary Education: Salinity Stratification Experiment
Learn a little about salinity differences in the estuary and watch a really cool but simple experiment to demonstrate salinity stratification. You can try this at home! [9:33]