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Scientific users had braced for another helium shortage, but many have turned to new technologies to reduce their needs.

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image: Snake Sex Determination Dogma Overturned

Snake Sex Determination Dogma Overturned

By | July 6, 2017

Researchers find that boas and pythons use an XY sex chromosome system, rather than the previously assumed ZW system found in some other snakes.

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image: Olfaction Determines Weight in Mice

Olfaction Determines Weight in Mice

By | July 5, 2017

Animals lacking a sense of smell stayed thinner than their smelling counterparts, despite eating the same amount.

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image: Electrical Stimulation Steers Neural Stem Cells

Electrical Stimulation Steers Neural Stem Cells

By | July 3, 2017

Current can guide implanted cells away from rats’ noses toward a region deep in their brains.

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image: Field Studies Confirm Neonicotinoids’ Harm to Bees

Field Studies Confirm Neonicotinoids’ Harm to Bees

By | June 29, 2017

Two large studies find that, in real-world conditions, the insecticides are detrimental to honey bees and bumblebees.

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image: Anti-Preeclampsia Hormone Discovered

Anti-Preeclampsia Hormone Discovered

By | June 29, 2017

A small, placenta-produced peptide fixes the pregnancy-related condition in mice. 

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image: Transgenic Mouse Illuminates Melanoma Metastasis

Transgenic Mouse Illuminates Melanoma Metastasis

By | June 28, 2017

Glowing cells mark the routes of tumor spread by way of newly formed lymph vessels. 

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image: Evidence for Human Lifespan Limit Contested

Evidence for Human Lifespan Limit Contested

By | June 28, 2017

Five groups of scientists criticize a widely publicized Nature paper from 2016 suggesting that humans can only live up to 115 years.

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image: The Consequences of Sequencing Healthy People

The Consequences of Sequencing Healthy People

By | June 26, 2017

The first randomized trial to examine whole-genome sequencing in healthy people uncovers disease-causing genetic variants, but the overall benefits to this population are ambiguous.

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image: Supreme Court Reinstates Trump Travel Ban

Supreme Court Reinstates Trump Travel Ban

By | June 26, 2017

The judges’ decision allows exceptions that may permit scientists’ travel from the blocked countries.

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