zebrafish, evolution, immunology
What Made Human Brains So Big?
What Made Human Brains So Big?
Ashley Yeager | May 24, 2018
Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Lizards’ Green Blood Evolved Four Times
Lizards’ Green Blood Evolved Four Times
Kerry Grens | May 16, 2018
The uncommon hue is present in skinks that aren’t closely related, but the advantage of the odd trait remains anyone’s guess.  
Genetic Screen Predicts T-Cell Lymphoma Aggression
Genetic Screen Predicts T-Cell Lymphoma Aggression
Kerry Grens | May 9, 2018
Sequencing of a single gene can spot patients with a dangerous form of mycosis fungoides better than other prognostic tests.  
Image of the Day: Hold My Brood
Image of the Day: Hold My Brood
The Scientist Staff | May 9, 2018
Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism.
Image of the Day: Bird Braincase
Image of the Day: Bird Braincase
The Scientist Staff | May 4, 2018
Newly discovered fossils shed light on the structure of the feeding apparatus of ancient seabirds.
Monkey Hybrids Challenge Assumptions of What a Species Is
Monkey Hybrids Challenge Assumptions of What a Species Is
Jim Daley | May 4, 2018
A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.
Studies Show How Cells Differentiate at Life’s Beginning
Studies Show How Cells Differentiate at Life’s Beginning
Shawna Williams | Apr 27, 2018
A trio of papers provide new insight into embryo development.
Preterm Labor May Be Sparked by Fetal Immune Reaction
Preterm Labor May Be Sparked by Fetal Immune Reaction
Ruth Williams | Apr 25, 2018
Immune cells targeting maternal antigens are abundant in the blood of premature infants, suggesting fetal intolerance of mom may instigate early labor.  
Fungus Repurposed a Bacterial Gene to Sense Gravity with Crystals
Fungus Repurposed a Bacterial Gene to Sense Gravity with Crystals
Viviane Callier | Apr 24, 2018
Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.