anthropology, ecology, developmental biology
Effects of Neanderthal DNA on Modern Humans
Effects of Neanderthal DNA on Modern Humans
Ruth Williams | Oct 5, 2017
A new study reveals how Neanderthal DNA in the genomes of present-day British people influences their traits.
Image of the Day: Fragile Brain
Image of the Day: Fragile Brain
The Scientist Staff | Oct 3, 2017
In Fragile X syndrome—a genetic mishap that results in cognitive delays—the lack of a translation-repressing protein leads to the rampant accumulation of other proteins in the mouse brain.
Macrophages Are the Ultimate Multitaskers
Macrophages Are the Ultimate Multitaskers
Claire Asher | Oct 1, 2017
From guiding branching neurons in the developing brain to maintaining a healthy heartbeat, there seems to be no job that the immune cells can’t tackle.
Infographic: Macrophages Around the Body
Infographic: Macrophages Around the Body
Claire Asher | Sep 30, 2017
In addition to circulating in the blood as immune sentinels, macrophages play specialized roles in different organs around the body.
Coastal Critters Make Epic Voyages After 2011 Tsunami
Coastal Critters Make Epic Voyages After 2011 Tsunami
Ashley Yeager | Sep 28, 2017
Marine species survived rafting thousands of kilometers on debris swept into the water by the giant wave, scientists say.
Water Level in a Cell Can Determine Its Fate
Water Level in a Cell Can Determine Its Fate
Kerry Grens | Sep 27, 2017
Adding or removing water changes how stem cells differentiate.
The Caterpillar that Cries Wolf
The Caterpillar that Cries Wolf
Mary Bates | Sep 22, 2017
In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.
CRISPR Used in Human Embryos to Probe Gene Function
CRISPR Used in Human Embryos to Probe Gene Function
Ashley P. Taylor | Sep 20, 2017
OCT4 is necessary for blastocyst formation in the human embryo, researchers report.
Largest and Smallest Animals at Highest Risk of Extinction, Study Finds
Largest and Smallest Animals at Highest Risk of Extinction, Study Finds
Ashley P. Taylor | Sep 19, 2017
Researchers recommend greater conservation efforts toward non-mammals and small creatures.
Second Chance for Lost Galapagos Tortoises?
Second Chance for Lost Galapagos Tortoises?
Bob Grant | Sep 14, 2017
Researchers are trying to recreate an extinct species of the lumbering reptiles by breeding closely related species that contain traces of the lost lineage’s DNA.