psychology, ecology, evolution
Present-Day Arboreal Birds Have Ground-Dwelling Past
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  
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.
Conservation Biologist Ben Collen Dies of Bone Cancer
Conservation Biologist Ben Collen Dies of Bone Cancer
Shawna Williams | May 22, 2018
The University College London researcher investigated how environmental pressures affect animals.
Newly Described Salamander Species Nearly Extinct
Newly Described Salamander Species Nearly Extinct
Sukanya Charuchandra | May 21, 2018
The Chinese giant salamander is not one but five different species.
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.  
Large Female Fish Play a Big Role in Replenishing Populations: Study
Large Female Fish Play a Big Role in Replenishing Populations: Study
Diana Kwon | May 11, 2018
Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.
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.
Marine Protected Areas Aren’t Protected Against Climate Change
Marine Protected Areas Aren’t Protected Against Climate Change
Ashley Yeager | May 7, 2018
If left unchecked, greenhouse gas emissions will drive ocean temperatures up, affecting wildlife in these regions.
Opinion: How We Found a New Way to Detect “Hidden Sharks”
Opinion: How We Found a New Way to Detect “Hidden Sharks”
Judith Bakker, Stefano Mariani | May 7, 2018
Given the speed and efficiency of environmental (eDNA) sampling, a much larger portion of the sea can be screened, in a shorter time, for patterns of diversity.