biology

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Infanticide Intrigue in the Eclectus Parrot

in biology

The mysterious behaviour of female Eclectus parrots killing their sons immediately after they hatch has been unravelled by a team of researchers from the Australian National University. Such sex-specific infanticide occurs in some human societies (where baby girls are killed) but is rare in other species.

New Pathway Critical to Heart Arrhythmia

in medicine, biology

Researchers have uncovered a previously unknown molecular pathway that is critical to understanding cardiac arrhythmia and other heart muscle problems. Understanding the basic science of heart and muscle function could open the door to new treatments. 

Junk DNA Separates Humans From Chimpanzees

in biology

Although humans and chimpanzees differ in a number of phenotypic characteristics since diverging from a common ancestor about six million years ago, their genomes are >98.5% identical, according to a new research report.

Breakthrough Finding Could Lead To Production Of Flood-Tolerant Crops

in biology, omics

Two groups of scientists now report that they have discovered how plants sense low oxygen levels to survive flooding – a finding that could lead eventually to the production of high-yielding, flood-tolerant crops, benefiting farmers, markets and consumers everywhere.

West Nile Virus Transmission - New Insights

in medicine, biology

West Nile virus can infect a wide range of animals, but only a few key species of bird "hosts" and mosquito "vectors" are important in transmission of the virus, according to an article published in Science.  West Nile virus spread across the United States in just a few years after its initial appearance in New York in 1999.  The virus is now well established throu

Male Crickets Guard Their Females After Mating -The Altruism Among Crickets?

in biology

Taking considerable risk  male crickets remain with their female partners, postcopulation, to protect them.  This behavior has generally been interpreted as a guarding tactic of male crickets designed to reduce the likelihood that a rival male can rapidly displace the ejaculate of the guarding male.

Neuronal Output Of Emotions - Neural Basis Of Face Recognition

in medicine, biology

Neuroscientists have discovered a novel response to human faces by looking at recordings from brain cells in neurosurgical patients. The finding provides the first description of neurons that respond strongly when the patient sees an entire face, but respond much less to a face in which only a very small region has been erased.

How Sugar Boosted Disease Protection And Human Evolution

in biology

Researchers at the University of California, San Diego School of Medicine say that losing the ability to make a particular kind of sugar molecule boosted disease protection in early hominids, and may have directed the evolutionary emergence of our ancestors, the genus Homo.