blood vessels
Colorblindness Study Reveals Unexpected Way to Make Blood Vessels
Colorblindness Study Reveals Unexpected Way to Make Blood Vessels
Ashley Yeager | May 1, 2018
Researchers stumbled across the connection while searching for ways to reduce vision problems in people with achromatopsia.
Human Brain Organoids Thrive in Mouse Brains
Human Brain Organoids Thrive in Mouse Brains
Ashley Yeager | Apr 16, 2018
After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.
Feathered Dino <em>Archaeopteryx</em> Probably Flew Like a Pheasant
Feathered Dino Archaeopteryx Probably Flew Like a Pheasant
Ashley Yeager | Mar 13, 2018
High-tech imaging of the Jurassic creature’s humerus and ulna bones reveals it flapped its wings to evade predators.
Image of the Day: Keep a Cool Head 
Image of the Day: Keep a Cool Head 
The Scientist Staff, The Scientist Staff | Jan 17, 2018
Scientists take a close look at how cloven hoofed mammals use selective brain cooling to survive in the heat. 
Image of the Day: Eye of Pig
Image of the Day: Eye of Pig
The Scientist Staff | Sep 6, 2017
This 10-centimeter-wide pig eye replica includes even the most intricate of blood vessels, some no wider than 30 micrometers.
Image of the Day: Vessels For Days
Image of the Day: Vessels For Days
The Scientist Staff | Aug 1, 2017
A novel contrast agent made up of tiny iron oxide nanoparticles can label blood vessels, and highlight adverse events such cerebral ischemia, in dogs and monkeys. 
Image of the Day: Skinning the Cat
Image of the Day: Skinning the Cat
The Scientist Staff | Jul 17, 2017
This stack of polarized light micrographs depicts a vibrant ensemble of tissues, hair follicles, and vessels within a slice of cat skin.
Image of the Day: Break Through
Image of the Day: Break Through
The Scientist Staff | Jan 20, 2017
Immune cells minimize damage while traveling through blood vessel walls by breaking the thin filaments of the cytoskeleton, which can rapidly reassemble.
Smooth Move
Smooth Move
Ashley P. Taylor | Jan 1, 2016
In the mouse lung, hardening of a blood vessel can result from just a single progenitor cell forming new smooth muscle.
Platelets Fan Inflammation
Platelets Fan Inflammation
Kate Yandell | Dec 4, 2014
The circulating blood cells bind to neutrophils, prompting inflammation-related activity in these immune cell partners.