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organoid brain

BRAIN-MAKING 101  As blobs of two types of brainlike tissue fuse, interneurons (green) migrate from the left clump to the right, linking with neurons (not stained) in the right blob. On both sides, neural support cells called glia appear in purple.

Enterprise nebulae

FIELD OF GREENS  Visualizations of images from the upcoming James Webb Space Telescope could look akin to these from the Spitzer Space Telescope. Both telescopes are designed to see in the infrared. In this Spitzer image of the Enterprise nebulae, 3.5 micrometer light is in blue, 8 micrometer light is green and 24 micrometer light is red.

close-up of an eye

BABY BLUE  Using human eye cells, researchers fashioned an artificial eye surface that could be used to study and test treatments for eye diseases.

illustration of potential alien microbes

ITSY BITSY ALIENS Americans would probably welcome the discovery of microbial alien life.



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