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California's billion-dollar hydrogen hub project is approved — but not without controversy
The leaders of California's embryonic hydrogen hub announced Wednesday ... The California hub — known as ARCHES, or the Alliance for Renewable Clean Hydrogen Energy Systems — will net $1.2 ...
PBS8y
Common Past, Different Paths:
Many four-legged animals go through embryonic stages that have similar features -- gill arches, a notochord, segmentation, and paddle-like limb buds -- as they develop into different adults.
WGBH23d
Effective Practices for Description of Science Content – Example H: Standard Diagrams and Illustrations
Note that all three embryo illustrations are shown in side view. The fish embryo is long, narrow and straight. Its head is small, round, and contains gill arches. A large flap extends to the left, ...
Psychology Today22d
Why We All Start as Fish
Tiny ridges form in the throat during the fourth or fifth week of human embryonic development. If we were fish, these structures would develop into actual gills. However, in humans, these arches ...