human embryonic stem cells, ecology
Study: Fishing Induces Gene Expression Changes
Study: Fishing Induces Gene Expression Changes
Jef Akst | May 18, 2017
Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.
More Details on How Pesticides Harm Bees
More Details on How Pesticides Harm Bees
Diana Kwon | May 2, 2017
Scientists report that thiamethoxam exposure impairs bumblebees’ reproduction and honey bees’ ability to fly.
Evolution’s Quick Pace Affects Ecosystem Dynamics
Evolution’s Quick Pace Affects Ecosystem Dynamics
Jef Akst | May 1, 2017
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
Infographic: Watching Evolution in Real Time
Infographic: Watching Evolution in Real Time
Jef Akst | Apr 30, 2017
Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.
Cell Lines Gain Cancer-Related Mutations
Cell Lines Gain Cancer-Related Mutations
Kerry Grens | Apr 27, 2017
A screen of human embryonic stem cell lines finds several that accumulated changes in the gene TP53, including aberrations commonly seen in cancer.
Migratory Eels Use Magnetoreception
Migratory Eels Use Magnetoreception
Kerry Grens | Apr 14, 2017
In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.
First Clinic-Ready Stem Cell Repository
First Clinic-Ready Stem Cell Repository
Kerry Grens | Apr 6, 2017
The UK Stem Cell Bank offers several lines derived from human embryonic tissue.
Researchers Argue for “Embryoid” Ethics Revamp
Researchers Argue for “Embryoid” Ethics Revamp
Bob Grant | Mar 22, 2017
Scientists issue a call to reconsider the rules governing the creation of tissues, organs, and other structures made possible by recent advances in synthetic biology. 
Image of the Day: Noisy Barriers
Image of the Day: Noisy Barriers
The Scientist Staff | Feb 2, 2017
Traffic noise disrupts communication between dwarf mongooses and tree squirrels, according to a study.
The Fungus that Poses as a Flower
The Fungus that Poses as a Flower
Ben Andrew Henry | Feb 1, 2017
Mummy berry disease coats blueberry leaves with sweet, sticky stains that smell like flowers, luring in passing insects to spread fungal spores.