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Research shows that human immunity develops much earlier than previously thought, but functions differently in adults.

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image: Mammals May Have a 12-Hour Clock

Mammals May Have a 12-Hour Clock

By | June 6, 2017

Data point to peaks in gene expression in the morning and evening that are distinct from day-night circadian cycles.

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image: Mouse Livers Grow and Shrink Daily

Mouse Livers Grow and Shrink Daily

By | May 4, 2017

Feeding-fasting rhythms and light-dark cycles direct regular changes in organ and cell size, as well as ribosome number and protein levels.

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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.

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image: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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The lungs of extremely premature lambs supported in a closed, sterile environment that enables fluid-based gas exchange grow and develop normally, researchers report.

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image: Image of the Day: Stop Signals

Image of the Day: Stop Signals

By | April 17, 2017

Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.

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Scientists identify a mutation in the CRY1 gene in people with abnormal sleeping patterns.

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image: Circadian Rhythms Influence Treatment Effects

Circadian Rhythms Influence Treatment Effects

By | April 1, 2017

Across many diseases, taking medication at specific times of day may make the therapy more effective.

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