Felicity Nelson

We've known since the 1980s that some proteins behave like pathogens if they aren't folded properly.

The lush, volcanic hills of Sulawesi in Indonesia are home to several species of fanged frogs with unusual reproductive habits, including Limnonectes larvaepartus – the only species of frog in the world known to give birth to live tadpoles.

A green honeycreeper (Chlorophanes spiza) with male plumage on one half of its body and female coloring on the other has been caught for the first time on camera, with the only other known record being over a century ago.

A study of around 500,000 medical records suggested that severe viral infections like encephalitis and pneumonia increase the risk of neurodegenerative diseases like Parkinson's and Alzheimer's.

When money is dangled in front of our eyes, the reward pathways in our brains usually light up, and within about six seconds, our pupils widen in anticipation.

Owen Monroe, the first baby to receive a partial heart transplant. (Duke Health)

The first baby to undergo a partial heart transplant will hopefully be spared repeated heart surgeries as the implanted tissue is growing with him – an outcome that has never been seen before in humans.

3.46-billion-year-old jasper beds from an outcrop in the Pilbara region of Australia. (Steve Sheppard)

The widespread asbestos contamination of mulch used in parks, schools and residential areas has left residents of Sydney and Canberra wondering what the health risks might be.

People with one of the type A blood groups are more likely to have a stroke before the age of 60 compared with people with other blood types, research shows.