Originally published on Tue October 22, 2013 4:09 pm
Cuba will end the two-currency system it has used for nearly 20 years. Since the collapse of the Soviet Union, Cuba has used either American currency or a peso that's pegged to the dollar alongside its national peso.
The monetary unification will phase out a system that has become a symbol of exclusivity and foreign wealth. Many products that are imported into the country can be bought only with the dollar-based convertible peso. But most Cubans are paid in the standard peso, which is worth just a fraction of the other currency.
Originally published on Wed October 23, 2013 12:22 pm
Girls who were more physically active at age 11 did better at school as teenagers, a study finds. And the most active girls really aced science.
It's become pretty much a given that children do better academically when they get regular exercise, even though schools continue to cut or even eliminate recess time. But there's surprisingly little hard evidence to back that up.
Originally published on Tue October 22, 2013 6:08 pm
Customers who hope to buy enough from Amazon's website to garner free shipping are now facing a higher bar, as the giant retailer raised its minimum order size from $25 to $35. The change took effect Monday, as the busy holiday shopping season looms.
"This is the first time in more than a decade that Amazon has altered the minimum order for free shipping in the US," the company said in announcing the change.