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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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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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Adding RNA sequencing analysis to genomic sequencing helps scientists uncover mutations likely responsible for genetic disorders they might otherwise miss.

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

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image: Massively Parallel Perturbations

Massively Parallel Perturbations

By | March 1, 2017

Scientists combine CRISPR gene editing with single-cell sequencing for genotype-phenotype screens.

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image: Infographic: Single-Cell CRISPR Screens

Infographic: Single-Cell CRISPR Screens

By | March 1, 2017

See how two new methods track responses to unique genetic manipulations in numerous individual cells in parallel.

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