Government regulators in Canada are investigating a series of mysterious oil spills around tar sands operations in Alberta. Thick oil is gurgling up unexpectedly from the ground instead of flowing through the wells that were built to collect it.
The spills are raising questions about a technology that's rapidly expanding to extract fossil fuels that could ultimately end up in the controversial Keystone XL pipeline.
At first, all John Milkovisch wanted in 1968 was a covered patio where he could drink his beer at the end of the day. But a bigger idea was brewing. For years, he had been saving his empty beer cans.
"While I was building the patio I was drinking the beer," he said in an interview in 1983. "I knew I was going to do something with them aluminum cans because that was what I was looking for ... but I didn't know what I was going to do." (Milkovisch died in 1988.)
A caped crusader is on the loose in the mountains of Pakistan, but she's not your traditional superhero. The Burka Avenger wears a flowing black veil — only her brown eyes are visible — as she fights corrupt politicians and religious zealots. Her weapons of choice: pens and books.
As athletes age, participation in team sports seems to fall by the wayside in favor of more low-impact activities like swimming and walking. But that's not for everyone. The National Senior Games finishes a two-week run in Cleveland on Thursday. The players for She-Ca-Go, a women's basketball team in the 75-to-79 age division, are still in it for the camaraderie and competition.