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Global Scan

Just what is this ball the Curiosity rover found on the surface of Mars

NASA's Mars missions may not have been as cheap as the recent Indian mission, but their rovers and orbiters continue to provide stunning discoveries. Earlier this month, one of the rovers sent back a photo that seemed decidedly out of place: a round sphere, like a 16th century cannonball. Meanwhile, in India, women are being celebrated for their central mission in that country's Mars mission. And one man tries to smuggle 51 turtles into Canada, by taping them to his body.

Global Scan

These are the seven countries the US military has bombed in the last three years

US officials launched an air attack on ISIS rebels in Syria this week, making the war-torn Middle East country the seventh state — at least — to see US airstrike since 2011. Meanwhile, an African nation torn by Ebola is agreeing to halt logging in exchange for development aid. And in Iraq, the nation's Kurdish minority is looking at what it has achieved — with high hopes for its future.

New report ranks environmental efforts

A new report was released today at the World Economic Forum in Davos, Switzerland, and the 2008 Environmental Performance Index ranks countries for their efforts in addressing environmental issues