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Trichomonas vaginalis

TRICKY PARASITE  Trichomonas vaginalis has a funny shape and some clever ways of infecting people.

galaxy M87

SUPERMASSIVE SOURCE  The gases and stars in galaxy M87, shown in this composite image from the Chandra X-ray telescope and the Very Large Array, gave different numbers for the mass of the galaxy’s supermassive black hole.

anxious child

YOUNG AND ANXIOUS  Worries can sideline a child as early as preschool, so researchers are designing therapies that help young brains do a reality check when unwarranted fears arise.

MAGNETIC ANCESTOR  Ancient massive carvings from Guatemala such as this round figure include magnetized areas possibly intended to show the continuing power of deceased ancestors.

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