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Behavior Brief
Jef Akst | Jan 4, 2012 | 5 min read
A roundup of recent discoveries in behavior research
A rendering of a human brain in blue on a dark background with blue and white lines surrounding the brain to represent the construction of new connections in the brain.
Defying Dogma: Decentralized Translation in Neurons
Danielle Gerhard, PhD | Sep 8, 2023 | 10+ min read
To understand how memories are formed and maintained, neuroscientists travel far beyond the cell body in search of answers.
Who Sleeps?
The Scientist and Jerome Siegel | Mar 1, 2016 | 10+ min read
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.
The Hidden Side of Sex
Patricia L.R. Brennan | Jul 1, 2014 | 10+ min read
Sexual selection doesn’t end when females choose a mate. Females and males of many animal species employ an array of tactics to stack the deck in their reproductive favor.
How Did Natural Selection Shape Human Genes?
Douglas Steinberg | May 9, 2004 | 7 min read
UPSIDE-DOWN MITO-MAPLE:Courtesy of Douglas C. WallaceResearchers constructed a phylogenetic tree based upon human mitochondrial DNA (mtDNA) variation. A branch bifurcates whenever they found an additional polymorphism. At the top of the inverted tree is mitochondrial "Eve"; the illustration shows two mtDNA sub-branches, or lineages, found in Europe and the Middle East. The J1- and J2-branch polymorphisms in the cytochrome b gene might have spread because they were climatically advantageous. (Rep

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