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Ban on smartphones for under-16s has split the right between conservatives and libertarians over whether such intervention is worthwhile.

Ban on smartphones for under-16s has split the right between conservatives and libertarians over whether such intervention is worthwhile.

Almond trees in california, which have short pollination windows. >> very close from here, weve done a trial where we see that our bees were doing seven times more flights under really cold temperatures. >> with no automated way to monitor bee performance, the bee float team spends hours each day staring at trees counting bees. >> we know how many bees the flower requires to develop a fruit of x size. >> reporter: so far its working. in argentina, their trials increase crop yields up to 90% and ...