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SubscribeApril 2023 Table of Contents
AN INTERACTIVE EXPERIENCE
This Issue
April 2023
Cheating Centromeres
Investigating nonrandom segregation to better understand how speciation occurs
Feature
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.
Speaking of Science
Ten Minute Sabbatical
Ten Minute Sabbatical
Take a break from the bench to puzzle and peruse
Critic at Large
Addressing the Problematic Past of Animal Behavior Research
Addressing the Problematic Past of Animal Behavior Research
Some of the foundational studies in the field were neither ethical by today’s standards nor replicable. But we can do better.
Modus Operandi
Mechanical Implant Stirs Wasting Muscle Back into Action
Mechanical Implant Stirs Wasting Muscle Back into Action
An implantable device stimulates muscle contraction and prevents muscular atrophy in mice.
Infographics
Infographic: Tissue Implant Gets Muscles Moving, Prevents Atrophy
Infographic: Tissue Implant Gets Muscles Moving, Prevents Atrophy
The experimental device, known as MAGENTA, forces muscles to contract, simulating natural movement.
![Infographic depicting one way centromeres can "cheat" during meiosis](jpg/article-feature-infog-04-23-ac-t.jpg "Infographic depicting one way centromeres can "cheat" during meiosis")
Infographic: How “Selfish” Centromeres Alter Inheritance
Infographic: How “Selfish” Centromeres Alter Inheritance
Research on so-called selfish genetic loci is providing scientists with greater insight into the biology of chromosome segregation and inheritance.
Foundations
Crystal-Clear Penicillin, 1945
Crystal-Clear Penicillin, 1945
Political activist and Nobel winner Dorothy Crowfoot Hodgkin pioneered X-ray crystallography to discover the molecular structures of penicillin and insulin.