Ellen Phiddian

Adelaide

Science Journalist and Contributor at Cosmos Magazine

Science communicator // 'Surprisingly interesting' // she/her

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Articles

Star Wars' Tatooine-like planet baffles astronomers with its strange orbit

1 week ago | abc.net.au | Ellen Phiddian

Astronomers claim to have discovered another exoplanet that orbits two suns, like the fictional planet of Tatooine in Star Wars. It's the 17th Tatooine-like planet discovered, but it orbits its stars in a way unlike any other known to astronomy. Researchers will need more observations to confirm the planet's existence, and look for similar systems.
Wikipedia's largest non-English version was created by a bot. Generative AI poses new problems

1 week ago | rnz.co.nz | Ellen Phiddian

By Ellen Phiddian, ABCWith nearly 7 million articles, the English-language edition of Wikipedia is by many measures the largest encyclopaedia in the world. The second-largest edition of Wikipedia boasts just over 6 million articles. It isn't French, or Spanish, or Chinese Wikipedia. It's Cebuano: a language spoken mostly in the southern Philippines. But Cebuano Wikipedia didn't grow with the help of thousands of volunteer editors, as its English counterpart did.
Wikipedia's largest non-English version was created by a bot. Generative AI poses new problems

1 week ago | radionz.co.nz | Ellen Phiddian

By Ellen Phiddian, ABCWith nearly 7 million articles, the English-language edition of Wikipedia is by many measures the largest encyclopaedia in the world. The second-largest edition of Wikipedia boasts just over 6 million articles. It isn't French, or Spanish, or Chinese Wikipedia. It's Cebuano: a language spoken mostly in the southern Philippines. But Cebuano Wikipedia didn't grow with the help of thousands of volunteer editors, as its English counterpart did.
Wikipedia's largest non-English version was created by a bot. Generative AI poses new problems

1 week ago | abc.net.au | Ellen Phiddian

With nearly 7 million articles, the English-language edition of Wikipedia is by many measures the largest encyclopedia in the world. The second-largest edition of Wikipedia boasts just over 6 million articles. It isn't French, or Spanish, or Chinese Wikipedia. It's Cebuano: a language spoken mostly in the southern Philippines. ButCebuano Wikipedia didn't grow with the help of thousands of volunteer editors, as its English counterpart did.
Ancient galaxy spotted by JWST marks start of 'cosmic dawn' 330 million years after Big Bang

4 weeks ago | abc.net.au | Ellen Phiddian

A tiny red speck, spotted by the James Webb Space Telescope, has set a date on an important era in the Universe's history. The speck, known as JADES-GS-z13-1-LA, is one of the earliest galaxies ever seen, observed at just 330 million years after the Big Bang. But it's not just its age that makes this galaxy special. According to data published today in Nature, the galaxy heralds the start of the "cosmic dawn", when light from the first stars shone through the early Universe.
First gene-edited pig liver into human patient in China functioned for 10 days, study finds

4 weeks ago | abc.net.au | Jacinta Bowler |Ellen Phiddian

The world's first gene-modified pig liver to be transplanted inside a person functioned for 10 days — and was not rejected by the recipient during that time. The Chinese team behind the transplant, which was conducted a year ago, has just published details of the process in the journal Nature today. The study is part of a small — but growing — group of animal-to-human whole organ transplants, in a practice known as "xenotransplantation".
Largest 3D map of the universe hints dark energy is becoming weaker

1 month ago | abc.net.au | Ellen Phiddian

Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment produced confounding results. An international team of scientists has released a "3D map of the universe", built on data from the Dark Energy Spectroscopic Instrument (DESI). The map contains information about more than 14 million galaxies, gathered by the DESI device at the Mayall Telescope in Arizona.
OpenAI claims its newest chatbot GPT-4.5 should 'hallucinate less'. How is that measured?

1 month ago | abc.net.au | Ellen Phiddian

Anyone who's played around with a generative artificial intelligence (AI) chatbot for more than a few minutes knows it makes mistakes. These mistakes, termed "hallucinations", can have serious consequences — such as when they falsely describe people as criminals. US AI company OpenAI claims that the latest iteration of its software, GPT-4.5, should "hallucinate less". The company developed its own measurement system, announced late last year, to support this claim.
15-million-year-old fossil fish discovered in central NSW reveals stomach contents and colour

1 month ago | abc.net.au | Ellen Phiddian |Peter de Kruijff

About 15 million years ago, a small fish ventured too deep into a lake. The fish species — a relative of the Australian grayling — would have been abundant in the tropical environment where it lived, in what is now dry NSW farmland. But in the freshwater lake all those years ago, oxygen was scarce. The fish asphyxiated and sank to the bottom, where it was covered by layers of iron-rich material.
Killer ash cloud from Mount Vesuvius eruption turned man's brain to glass: study

1 month ago | abc.net.au | Ellen Phiddian

Nearly 2,000 years ago, Mount Vesuvius erupted catastrophically, killing thousands of people and destroying the Roman towns of Pompeii and Herculaneum. The grisly fates of those caught by the volcano have been a boon to archaeologists, with their remains preserved by layers of ash. One particularly unlucky victim experienced something that, so far, is unique to science: the eruption turned his brain to glass.

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