Chronic stress causes genetic changes in chickens

How can stress in animals be measured? Scientists from Uppsala University and elsewhere have now found that what are known as epigenetic biomarkers could be used to detect long-term exposure to stress in commercially raised ...

Blood and politics in India

Mahatma Gandhi, an icon of nonviolent resistance who helped lead India to independence by force of will and strength of mind, rather than physical power, might not seem like a person preoccupied with corporeal matters.

How the strep bacterium hides from the immune system

A bacterial pathogen that causes strep throat and other illnesses cloaks itself in fragments of red blood cells to evade detection by the host immune system, according to a study publishing December 3 in the journal Cell ...

Nanosponges lessen severity of streptococcal infections

In a new study, researchers show that engineered nanosponges that are encapsulated in the membranes of red blood cells can reduce the severity of infections caused by group A Streptococcus, the bacteria responsible for strep ...

Research suggests a way to identify animals at risk of blood clots

Patients who are critically ill, be they dog, cat or human, have a tendency toward blood clotting disorders. When the formation of a clot takes too long, it puts them at risk of uncontrolled bleeding. But the other extreme ...

Study offers new insights into Group A Streptococcus

One bacterial pathogen is responsible for a range of diseases, from pharyngitis and impetigo to more severe diagnoses such as toxic shock syndrome and necrotizing fasciitis (flesh eating disease), a serious bacterial skin ...

Big bang theory: How did dinosaurs have sex?

Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...

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