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What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.

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image: Opinion: Three-Parent Embryos—A Slippery Slope?

Opinion: Three-Parent Embryos—A Slippery Slope?

By John D. Loike and Alan Kadish | June 14, 2018

The use of pronuclear transfer to treat infertility must first be backed by evidence it can work in cases where parents seek to avoid mitochondrial mutations.

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Researchers find that conserving marsupials on a predator-free island dampens their avoidance behaviors, which could mean trouble for their reintroduction to mainland Australia.

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image: Human-Specific Genes Implicated in Brain Size

Human-Specific Genes Implicated in Brain Size

By Abby Olena | May 31, 2018

Three members of a gene family called NOTCH2NL may have been involved in the evolution of humans’ big cortex.

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Genetic adaptations for human brain development also make us vulnerable to Alzheimer’s disease, according to a new study.  

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image: Opinion: How to Use Mobile Apps for Immunohistochemistry

Opinion: How to Use Mobile Apps for Immunohistochemistry

By Alexander E. Kalyuzhny | May 25, 2018

This guide for apps comes from personal experience testing various programs aimed to improve productivity or to help with selecting reagents.

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Determining which products of advanced biotechnology are deserving of legal protections is essential to our own social architecture.

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The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.

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image: Opinion: We Must Demand Evidence of Peer Review

Opinion: We Must Demand Evidence of Peer Review

By Nikolai Slavov | May 21, 2018

Peer review varies in quality and thoroughness. Making it publicly available could improve it.

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image: Could a Dose of Sunshine Make You Smarter?

Could a Dose of Sunshine Make You Smarter?

By Ruth Williams | May 17, 2018

Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  

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