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image: Light-Activated Memory Switch

Light-Activated Memory Switch

By | August 27, 2014

Scientists use optogenetics to swap out negative memories for positive ones—and vice versa—in mice.


image: Genome Digest

Genome Digest

By | August 27, 2014

What researchers are learning as they sequence, map, and decode species’ genomes


image: Toward Yeast–Based Opioid Production

Toward Yeast–Based Opioid Production

By | August 24, 2014

Synthetic biologists introduce bacterial and poppy plant genes into yeast to manufacture morphine.


image: How Hummingbirds Taste Nectar

How Hummingbirds Taste Nectar

By | August 21, 2014

Hummingbirds perceive sweetness through a receptor with which other vertebrates taste savory foods. 

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image: RNA-based Sex Determination?

RNA-based Sex Determination?

By | August 20, 2014

Researchers find that microRNAs may play a role some of the sexual differences seen in fruit flies.

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image: Interspecies RNA Shuffle

Interspecies RNA Shuffle

By | August 14, 2014

Researchers report the first example of large-scale RNA-based communication between species—a parasitic plant and two of its hosts. 


image: Bioluminescence Researcher Dies

Bioluminescence Researcher Dies

By | August 12, 2014

Harvard biochemist J. Woodland Hastings, who first theorized about quorum sensing in the late 1960s, succumbed to pulmonary fibrosis last week at age 87.


image: Lab-Grown 3-D Brain Tissue Mimics Cortex

Lab-Grown 3-D Brain Tissue Mimics Cortex

By | August 11, 2014

From cortical neurons, researchers have engineered rat tissue that formed complex networks of functioning neurons and appeared to behave normally after an injury.


image: Molecular Neuroscientist Dies

Molecular Neuroscientist Dies

By | August 11, 2014

Stephen Heinemann, who along with his colleagues identified the genes encoding the major excitatory neurotransmitter receptors in the brain, has passed away at age 75.


image: Pregnancy Stress Spans Generations

Pregnancy Stress Spans Generations

By | August 7, 2014

The stressors a female rat experiences during pregnancy can have repercussions for her granddaughters, a study shows. 


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