Science News Feature

The Bacillus Calmette-Guerin (BCG) vaccine, the most widely used vaccine in the world, is most commonly known for its protection against childhood tuberculosis. However, BCG is also used in treatment of some bladder cancers, based on its ability to generally and non-specifically boost immunity. It also confers increased ability of immune cells to fight non-related pathogens. In a new study from a research team based in institutions in...

Migraines and seizures have always been considered to be separate physiological phenomena as their effects on people appear to be very different. Electrical hyperactivity is a feature of seizures and they propagate rapidly whereas migraines develop slowly and feature ‘spreading depression’, a process resulting in silencing of electrical activity in some brain areas. However, a recent study in the Journal of Neuroscience in...

A new meta-analysis that analyzed 13 studies found that high maternal caffeine intake during pregnancy was associated with a higher risk of having a baby with a low birth weight.

 

A new species of leopard frog has been discovered in New York City and surrounding areas, one of the largest and most densely populated metropolitan areas of the world. The frog species, named Rana kauffeldi, was characterised by a combination of traditional field methods with modern molecular and bioacoustics methods. The discovery is published on October 29, 2014 in the journal PLoS One.

 

Humans differ from other primates by having highly visible sclera, which is the white part of the eye. The amount of sclera that is visible is indicative of a person’s emotions or behavioural state and is unconsciously responded to by adult humans in social interactions. A new study published online in the journal Proceedings of the National Academy of Sciences suggests that the ability to unconsciously respond to this type of eye...