A Wnt protein involved in the formation of the human ovary plays an important role in female zebrafish sex development.    Even though zebrafish are...


An opportunistic human pathogen makes itself at home on old oaks. At one point or another, most people have played host to the common yeast...


Loaded words

January 25, 2019

Guest author Amir Teicher discusses how the concept of “genetic load” traces its roots back to eugenic thinking, as described in his recent Perspectives article...


Machine learning and access to ever-expanding databases improves genomic prediction of human traits. In theory, a scientist could predict your height using just your genome...


Study of huge Ancestry.com pedigree suggests assortative mating may have inflated previous estimates of life span heritability. Although long life tends to run in families,...


What inspired Mendel?

October 8, 2018

Newly uncovered newspaper articles shed light on Mendel’s motivations. Gregor Mendel is considered by many to be the father of genetics. Yet, because his work...


Mitochondria on the mind

September 14, 2018

Mitochondria cell-autonomously regulate the secretion of neuropeptides in C. elegans. Neurons are hard-working cells that need a lot of energy to do their jobs, so...


Holes in the plasma membrane trigger the activation of the Torso receptor tyrosine kinase. As a general rule, cells don’t do well when holes are...


Food-deprivation inhibits the stress-induced sleep response in C. elegans. For many animals, the essential physiological drives of sleep and food are intimately linked. You might...


Tissue culture causes heritable methylation changes in plants. Tissue culture is a useful tool for plant scientists and horticulturalists in large part because it allows...