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Khan Academy
@
khanacademy
29. sij
High quality science content with virtual simulations for free?👀🆓
@LabXchange
+ Khan Academy =
#ScienceMadePossible
We're working with
@AmgenFoundation
and
@Harvard
 to bring you on a science journey ▶️
fal.cn/sciencemadepos…
pic.twitter.com/GC0WjUpneC
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