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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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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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image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.

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image: Drugs OKed Faster in U.S. Than in Europe

Drugs OKed Faster in U.S. Than in Europe

By | April 10, 2017

In recent years, the US Food and Drug Administration has approved more drugs and in less time than the European Medicines Agency.

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At the annual American Association for Cancer Research meeting, researchers discuss the importance of understanding the epigenetic contributors to cancer progression and treatment response.

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image: Experimental MERS Treatments Target Host Cell Receptor

Experimental MERS Treatments Target Host Cell Receptor

By | March 30, 2017

Researchers are searching for ways to prevent the coronavirus from attaching to DPP-4 receptors, blocking it from invading and replicating within host cells.

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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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image: Tetracycline Inventor Dies

Tetracycline Inventor Dies

By | March 15, 2017

Lloyd Conover, a longtime chemist at Pfizer, pioneered the concept of chemically altering natural antibiotics to create new drugs.

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Researchers report growing a mouse embryo using two types of early stem cells.

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