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The known universe requires black holes!
Holy Smokes! Black holes curb star formation
Models of star formation don't match true star number. Now we see how the black hole restrains news stars so everything adds up. More »
Trampling culture, destroying historyISIS destroys mosques, monuments, museums More »
Chameleon's color trick explainedHow do they go from perfect camouflage to fighting colors? More »
Eight ways microbes keep you healthyIn your gut, on your skin, bacteria are on the job More »