As the Zika virus continues to spread, Scientific American explores efforts to contain the threat and develop an arsenal to defend against it.
Go to www.ScientificAmerican.com/jun2016/zika
Which is larger: the number of Legos needed to build a life-size Egyptian pyramid or the number of trees on the earth? Test your estimation and calculation skills. Go to www.ScientificAmerican.com/may2016/epic-math