Time...

The 12-Year-Old Scientist Taking On Flint's Water Crisis

time
https://twitter.com/gitanjaliarao/status/1013793054921089024

is
https://twitter.com/stemschoolHR/status/989209984138440704

good
https://drive.google.com/file/d/1Rr90oPca1CHLIalW1rsYE1WUhWdzuH4r/view