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24 October 2017

Scientists develop new theory of molecular evolution [Phys]

Researchers from the University of Colorado Anschutz Medical Campus and the University College London have developed a new theory of molecular evolution, offering insights into how genes function, how the rates of evolutionary divergence can be predicted, and how harmful mutations arise at a basic level.

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24 October 2017

Shrew skulls shrink for winter survival [Nature - News]

Getting smaller by absorbing bone tissue may help animals to save energy when food is scarce.

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24 October 2017

Fossils from the world’s oldest trees reveal complex anatomy never seen before [Phys]

The first trees to have ever grown on Earth were also the most complex, new research has revealed.
Fossils from a 374-million-year-old tree found in north-west China have revealed an interconnected web of woody strands within the trunk of the tree that is much more intricate than that of the trees we see around us today.

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24 October 2017

Des champignons hallucinogènes pour redémarrer le cerveau dépressif [Sciences & Avenir - Santé]

La psilocybine qui confère aux champignons hallucinogènes leur propriétés psychédéliques a eu un effet bénéfique chez des personnes souffrant de dépression chronique. Cette molécule psychoactive permettrait de "rebooter" le cerveau.

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24 October 2017

The Nutshell Insects Are Increasingly Evolving Resistance to Genetically Modified Crops [The Scientist]

Resistance to insecticides produced by genetically modified crops is on the rise, according to a study published Wednesday (October 11) in Nature Biotechnology.

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