Novel enzyme discovered in intestinal bacteria

The human intestinal system contains a complex community of microorganisms, the intestinal microbiome, which metabolizes food components that have not readily been digested. However, there are also microbial degradation processes ...

Fruit-fly diet impacts descendants, researcher finds

For a fruit fly, what its grandparents ate may affect how much it weighs. But the passing down of a body type based on diet is not a simple cause and effect, a University of Alabama researcher has found.

Polar bear genome reveals rapid adaptation to fatty diet

A comparison of the genomes of polar bears and brown bears reveals that the polar bear is a much younger species than previously believed, having diverged from brown bears less than 500,000 years ago.

Q&A: The engineer who delivers mRNA inside human cells

Messenger RNA became a household term when it was used as the backbone of the first COVID-19 vaccines, especially after the Nobel Prize was awarded to two mRNA pioneers at the University of Pennsylvania.

Human food waste 'threat' to polar bears: report

The invasion of a remote Russian village by dozens of ravenous polar bears three years ago captured headlines around the world, with images of groups of animals gorging on rubbish in an open garbage dump.

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