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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.

MRI scans of brains of healthy and stroke patients

SWITCHING SIDES  These fMRI scans show the brain activity of a healthy person (left) and a stroke patient (right) while doing a language-related task. Having a stroke just before or after being born flips key language-processing areas from the left to the right side of the brain, a new study shows.

illustration of potential alien microbes

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



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