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A study of a simple marine animal suggests that the common ancestor of cnidarians and bilaterians may have had three germ layers instead of two.

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image: Studies: Ketogenic Mice Live Longer, Healthier Lives

Studies: Ketogenic Mice Live Longer, Healthier Lives

By | September 5, 2017

High-fat, low-carbohydrate diets are shown to increase lifespan and preserve memory in two independent mouse experiments.

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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: Image of the Day: How To Train Your Dolphin

Image of the Day: How To Train Your Dolphin

By | June 1, 2017

Capitalizing on dolphins' astute and playful nature, scientists devised an underwater interactive touchscreen game to help them study and interact with these creatures.

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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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A protein found in human umbilical cord plasma improves synaptic plasticity, learning, and memory in aged mice.

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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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