Antimatter's not the easiest stuff to work with - the minute it encounters ordinary matter it self-destructs. Now, though, scientists believe they've found a way to keep it in one place for long enough to study, by cooling it right down.
Tar balls washed up on the shore of the Gulf of Mexico earlier this month by Tropical Storm Lee show that oil from last year's Deepwater Horizon spill isn't degrading as quickly as expected.
If you thought training your dog was hard, researchers at Auburn University may be able to help. And by help, I mean turn your puppy into a super dog willing to take on the riskiest of tasks, sniff for bombs, and generally help save the world.