ATOM & COSMOS Japan’s Hayabusa spacecraft has returned to Earth with the first-ever scrapings taken from an asteroid. Find out what the specks of dust reveal in “Asteroid sample nails meteorite source.”
LIFE A young elephant shows off its ability to have an “aha” moment by finding a way to reach fruit just out of reach. Learn more and see a video of the problem solver in action in “Young elephant struck by idea.”
HUMANS
Human ancestors may have picked up genes that impart an immune system boost by canoodling with Neandertals and other hominid cousins long ago. Read more in “Beneficial liaisons.”
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