How to remember to forget - the new science of erasing memories; Big, old and banged-up - Canada is home to the world's largest Tyrannosaurus Rex; A woman who can smell Parkinson's disease could hold the key to early diagnosis; Meet the odd little moons that interact with Saturn's spectacular rings; Google glasses could help kids with autism read emotional cues in people's faces; What would happen if the Yellowstone supervolcano exploded?
A Japanese spacecraft visits an asteroid - and will bring back a souvenir; "Weird wonders" in China - new half-billion year-old fossils from the dawn of animal life; Your gut bacteria are actively involved in your emotions, how you think, and even behave; Our farming ancestors are the reason we can say 'f' words today; Mysterious green icebergs from Antarctica might be fertilizing the southern ocean; How long does it take to dream a dream?
Actors' brains have different activity patterns when they're in character; Inactive ingredients in your meds might not be so inactive after all; Super-powerful solar storms hit Earth in the past - and could recur in the future; When a butterfly's disguise fails, its backup plan is poison; 'Skeleton Keys' - a new book explores the secret life of bones; Do wind turbine farms have an effect on climate?
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