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tag speciation neuroscience cell molecular biology evolution

Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
Using Brain Organoids in Human Health and Disease Research
Using Brain Organoids in Human Health and Disease Research
The Scientist | Jan 17, 2024 | 1 min read
Learn how scientists across life science and engineering disciplines join forces to build brain organoids that mimic neurodevelopment.
The Two Genomes in Every Eukaryotic Cell
Viviane Callier | Nov 1, 2019 | 10+ min read
Interactions between mitochondrial and nuclear genomes have further-reaching effects on physiological function, adaptation, and speciation than previously appreciated.
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.
A reticulated giraffe in Samburu National Park, Kenya
Whole-Genome Data Point to Four Species of Giraffe
Ruth Williams | May 6, 2021 | 4 min read
The genome sequences of 51 giraffes from all over Africa contribute to the latest attempt in an ongoing pursuit to pin down a species number.
close-up of X chromosomes
Probing “Selfish” Centromeres Unveils an Evolutionary Arms Race
Michael Lampson, PhD | Apr 3, 2023 | 10 min read
A more complete understanding of nonrandom segregation will shed light on how speciation occurs.
On the left is a normally developing mouse embryo, on the right is a slightly larger mouse embryo that also contains horse cells that glow green.
Chimera research opens new doors to understanding and treating disease
Hannah Thomasy, PhD, Drug Discovery News | Aug 9, 2023 | 10 min read
Animals with human cells could provide donor organs or help us understand neuropsychiatric disorders.
Mechanisms of Speciation
Leslie Pray | Nov 16, 2003 | 9 min read
Mechanisms of Speciation New examples of sympatric speciation revive some nagging questions | By Leslie Pray "A new species develops if a population which has become geographically isolated from its parental species acquires during this period of isolation characters which promote or guarantee reproductive isolation when the external barriers break down." --Ernst Mayr, Systematics and the Origin of Species, 19421 The duration of a cell cycle lasts anywhere from one hour to one day; Droso
Speciation's Defining Moment
Nick Atkinson(natkinson@the-scientist.com) | Apr 10, 2005 | 6 min read
Evolutionary biologists, both theoreticians and empiricists, have argued for decades about the relative merits of two speciation scenarios: allopatry and sympatry.
Cellular DNA and epigenetics
Do Epigenetic Changes Influence Evolution?
Katarina Zimmer | Nov 1, 2022 | 10+ min read
Evidence is mounting that epigenetic marks on DNA can influence future generations in a variety of ways. But how such phenomena might affect large-scale evolutionary processes is hotly debated.

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