Body & Brain

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Olive oil

TASTY  Fats like one found in olive oil don’t just please the palate; they fall under a taste category distinct from the five well-known ones, researchers argue.

Ants with caterpillar

BUILDING BODYGUARDS  Neglecting their colony tasks, ants hang around — and defend — a Narathura japonica caterpillar that oozes droplets spiked with substances that alter ant brain chemistry.

CONNECT THE NEURONS  In this computer rendering of a bit of mouse brain based on scanning electron images, some nerve cell dendrites touch an axon (green) and make connections (orange), while other dendrites don’t (blue).

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