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image: Image of the Day: Save the Frogs

Image of the Day: Save the Frogs

By | June 23, 2017

Small but striking with its eyebrow-like horns, the 6-centimeter smooth horned frog (Proceratophrys boiei) was one of 453 amphibian species in Brazil assessed in a recent conservation study.

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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: Heart On Your Sleeve

Image of the Day: Heart On Your Sleeve

By | May 31, 2017

The entire underbelly of a newly discovered glassfrog species (Hyalinobatrachium yaku) is see-through, allowing the beholder to peer into its heart. 

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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: Night Crawler

Image of the Day: Night Crawler

By | April 18, 2017

Phyllomedusa bicolor is a nocturnal, tree-dwelling frog that lives in the Amazon rainforest.

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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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image: Image of the Day: Tubular Origins

Image of the Day: Tubular Origins

By | March 23, 2017

Murine neural tubes, with each image highlighting a different embryonic tissue type (blue). The neural tube itself (left) grows into the brain, spine, and nerves, while the mesoderm (middle) develops into other organs, and the ectoderm (right) forms skin, teeth, and hair.

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