Brazil's high-stakes presidential election is less than a week away, and a crisis is unraveling at the country’s Supreme Court, with a corruption scandal causing justices to trade insults and cancel sessions. Also, more than 30 people have been reported killed in a series of at least four separate mass shootings that have taken place in South Africa over the past week. And, efforts to rein in the growing problem of e-waste in Ghana and Nigeria. Plus, the music and legacy of the Mighty Sparrow, a musician from Trinidad and Tobago known as the king of calypso.

Several thousand US troops are leaving their remaining bases in Iraq by the end of the day tomorrow. US soldiers have been stationed in the country for more than two decades. Also, a look at how Spain, often violently, acquired its enclaves in Morocco. And, the Kelvin wave causes a commotion in the Pacific Ocean. Plus, measuring the Earth’s health by listening to the soil.

According to Israeli authorities, a plane traveling into Tel Aviv from the United Arab Emirates nearly crashed after a pilot stabbed another pilot and appeared to have tried to crash the aircraft, but the plane eventually landed safely after being diverted to Saudi Arabia. Also, a look at Cuba’s shifting economy. And, students in more than 400 high schools across France are protesting funding cutbacks, overcrowded classes and teacher shortages, with demonstrations in some cities turning violent. Plus, how Ghana’s college admissions are largely tied to one major exam.