The Scientist
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[:es]Contrary to Common Belief, Some Older Trees Make Fewer Seeds[:]
An analysis of more than half a million trees reveals that many species begin to taper off seed production once they hit a certain size.
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[:es]Male Snakes Cannibalizing Females Present Evolutionary Puzzle[:]
The Scientist speaks with organismal biologist Xavier Glaudas about possible reasons for his recent finding that male Montpellier snakes cannibalize female conspecifics.
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[:es]Screen of 250,000 Species Reveals Tweaks to Genetic Code[:]
A massive screen of bacterial and archaeal genomes revealed five previously unknown instances where an organism uses an alternate code to translate genetic blueprints into proteins.
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[:es]Engineered Stem Cells Grant Geckos “Perfectly” Regenerated Tails[:]
Geckos injected with neural stem cells modified to block cartilage growth developed the skeletal and nervous components normally lacking from regrown tails.
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[:es]Does Biological Sex Influence COVID-19 Outcomes? [:]
It’s unclear whether differing odds of dying between men and women reflect inherent differences between male and female immune systems or differences rooted in gender norms.
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[:es]Plants Use RNA to Talk to Neighbors [:]
A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.
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[:es]The Link Between Wandering and Sleeping Minds [:]
Researchers discover that when the mind wanders or goes blank, some parts of the brain behave as they do during sleep.
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[:es]Falling Water, Rising Rocks, 1834[:]
Intrigued by an optical illusion he experienced while traveling in Scotland, Robert Addams wrote what is now considered one of the definitive observational accounts of so-called motion aftereffects.
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[:es]Alzheimer’s Risk Gene Paradoxically Protects Against Memory Loss[:]
A new study links a variant of the apolipoprotein E gene called APOE ε4 to better memory in older age, even in the presence of amyloid plaques—a possible explanation for […]