Medical research

New research suggests appendix may have important function

The human appendix, a narrow pouch that projects off the cecum in the digestive system, has a notorious reputation for its tendency to become inflamed (appendicitis), often resulting in surgical removal. Although it is widely ...

Neuroscience

No need to shrink guts to have a larger brain

Brain tissue is a major consumer of energy in the body. If an animal species evolves a larger brain than its ancestors, the increased need for energy can be met by either obtaining additional sources of food or by a trade-off ...

Diseases, Conditions, Syndromes

Influenza expert assesses how worried we should be about H5N1

The current outbreak of a highly contagious strain of H5N1 avian influenza has been called the worst in history. By January 2023, poultry farmers in the U.S. had slaughtered almost 60 million birds infected or at risk of ...

Genetics

Scientists find new genes on male sex chromosomes

Scientists are a step closer to discovering what determines the sex of Australia's iconic platypus and echidna, after an international study involving researchers from the University of Adelaide and UNSW Australia unravelled ...

Diseases, Conditions, Syndromes

Coronavirus: what we know and what we don't

After a sudden jump in the number of deaths caused by the novel coronavirus in China, here is what we know about the disease, how it spreads and how it might be contained.

Psychology & Psychiatry

Rhythmic perception in humans has strong evolutionary roots

Rhythm is a fundamental aspect of music, dance and language. However, we do not know to what extent our rhythmic skills depend on ancient evolutionary mechanisms that may be present in other animals.

Neuroscience

How rats see things

The image of an object, when projected into the eyes, may take on the most diverse shapes depending on the chosen point of view, as this can change its distance, perspective and so on, yet generally we have no difficulty ...

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