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gene regulation

Lede art for Embryo Development
developmental biology

Scientists Map the Genetic Steps as Eggs Become Animals

For the first time, researchers have traced the genetic programs that guide the development of each cell in early embryos. Surprisingly, even cells that start out different can end up the same.

520px photo of Barbara Engelhardt
Q&A

A Statistical Search for Genomic Truths

The computer scientist Barbara Engelhardt develops machine-learning models and methods to scour human genomes for the elusive causes and mechanisms of disease.

Tiny parasitoid wasps
evolution

Moonlighting Genes Evolve for a Venomous Job

An unexpected mechanism allows wasps to rapidly co-opt genes for new toxic functions.

cell biology

The Secret Power of the Cell’s Waste Bin

Trash collectors in the cell moonlight at the controls of the genetic machinery.