After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.
The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.
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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.
Immune cells called macrophages shuttle cellular messages in the skin.
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.
By analyzing the genomes of 161 dog breeds, scientists discover how and when certain canine breeds emerged.
The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.
Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.
In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.
Scientists identify a mutation in the CRY1 gene in people with abnormal sleeping patterns.
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