Life

Gut Bouquet

This Valentine’s day, everything is coming up roses -- even our guts. This cellular bouquet, composed by research associate Chong Li Yen at Duke-NUS in Singapore, is in fact a slice of human colon tissue viewed under a microscope. The tissue is cut to reveal the cross-sections of intestinal glands, tiny wells in the gut wall that absorb water and nutrients while oozing mucus and digestive enzymes.

Glowing Green Guts

To untangle the links between guts and brains, some scientists are starting small: with the tiny transparent worm C. Elegans, whose guts glow green and neurons glow orange in this composite illustration and microscope image.

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