pregnancy, culture, immunology, genetics & genomics
The Cytokine Cycle
The Cytokine Cycle
W. Sue T. Griffin | Sep 1, 2011
The initiating cause of Alzheimer’s disease is still unknown. However, from our studies it’s clear that many types of neuronal damage—­­from traumatic brain injury, to epilepsy, infection, or genetic predisposition—­can activate brain immune cells—microglia and astrocytes-- promoting them to produce IL-1 and S100 inflammatory cytokines.
Blood’s Role in the Aging Brain
Edyta Zielinska | Aug 31, 2011
A blood protein involved in allergy contributes to the decline in brain function and memory in aging mice.
The Happiness of English
Jef Akst | Aug 31, 2011
There are more positive words than negative ones in the written English language.
Hiding Under a Cap
Richard P. Grant | Aug 30, 2011
Editor's Choice in Immunology
Role of Nurture in Spatial Abilities
Tia Ghose | Aug 29, 2011
In matriarchal societies where women receive equal education, there is no difference in spatial abilities between men and women.
Black Death Pathogen Extinct?
Tia Ghose | Aug 29, 2011
The Yersinia pestis strain extracted from the bones of Black Death victims may no longer exist.
Climate Stirs Civil Conflict
Jef Akst | Aug 26, 2011
Civil unrest is twice as likely during warm El Niño years.
Bug Fest 2011
Bug Fest 2011
Edyta Zielinska | Aug 25, 2011
Earlier this month (August 13-14) thousands of children and bug-loving adults descended on the Academy of Natural Sciences in Philadelphia, where all manner of insect—dead, alive, and deep fried—were on display to be looked at, touched and, yes...eaten.
Beetle Mania
Edyta Zielinska | Aug 25, 2011
Philadelphia's Academy of Natural Sciences was crawling with bugs, and The Scientist went down to join in the fun.
NIH Finalizes Conflict Rules
Bob Grant | Aug 25, 2011
America's key federal biomedical research agency officially releases its new policy on conflicts of interest.