an illustration of connections between the gut and the heart
The Gut Microbiome Can Be a Boon or a Bane for Cardiovascular Health
Researchers seek to untangle the biological mechanisms linking resident microbes to our hearts—and to harness them therapeutically.
The Gut Microbiome Can Be a Boon or a Bane for Cardiovascular Health
The Gut Microbiome Can Be a Boon or a Bane for Cardiovascular Health

Researchers seek to untangle the biological mechanisms linking resident microbes to our hearts—and to harness them therapeutically.

Researchers seek to untangle the biological mechanisms linking resident microbes to our hearts—and to harness them therapeutically.

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A New Role for Platelets: Boosting Neurogenesis After Exercise
Katarina Zimmer | Mar 21, 2019
A mouse study finds that when blood platelets are activated during exercise, they release factors that increase the number of newborn neurons in the hippocampus.
Image of the Day: Hunter Platelets 
The Scientist Staff, The Scientist Staff | Dec 19, 2017
Researchers explore how blood platelets sweep bacteria into aggregate bundles at sites of infection to help phagocytic cells dispose of them. 
Bone Marrow Isn’t the Only Source of Platelets
Ashley P. Taylor | Jun 1, 2017
Scientists have estimated that about half of murine platelet production occurs in the lungs.
Lung Blood
The Scientist Staff | May 31, 2017
Watch the birth of platelets in the lungs of mice, a finding that contributes to a new understanding of the respiratory organs' role in blood formation.
Polymer Helps Blood Clot
Jef Akst | Mar 5, 2015
An injectable solution stops bleeding in rats with nicked femoral arteries.
Platelets Fan Inflammation
Kate Yandell | Dec 4, 2014
The circulating blood cells bind to neutrophils, prompting inflammation-related activity in these immune cell partners.
Week in Review, June 17–21
Jef Akst | Jun 21, 2013
On the gene patent decision; a high-res human brain model; bats’ influence on moths mating calls; toxicants threaten brain health; platelet-driven immunity
Platelets Help Tackle Bacteria
Sabrina Richards | Jun 16, 2013
The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.
Platelets Flag Bacteria in Mice
Tia Ghose | Oct 31, 2011
Platelets play a role in capturing bacteria and initiating an immune response against them.