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BIOLOGY

Laser eye surgery technology – ‘Wavelight Plus’ Now Available

Technology is a vital part of performing effective vision correction procedures. With an absolute commitment to optimal patient outcomes, Dr Rick Wolfe realises the...

Bringing woolly mammoths back from extinction might not be such a bad idea — ethicists explain

  Image: Shutterstock US startup Colossal Biosciences has announced plans to bring woolly mammoths, or animals like them, back from extinction and into the frosty landscape of...

We found more than 54,000 viruses in people’s poo — and 92% were previously unknown to science

 Image: Shuttlestock Research published yesterday in Nature Microbiology has identified 54,118 species of virus living in the human gut — 92% of which were previously unknown. But...

Male fertility: how everyday chemicals are destroying sperm counts in humans and animals

  Image: SciePro/Shutterstock Within just a few generations, human sperm counts may decline to levels below those considered adequate for fertility. That’s the alarming claim...

Photos from the field: zooming in on Australia’s hidden world of exquisite mites, snails and beetles

     Dragon springtails (pictured) are widely distributed in forests of eastern Australia — yet they’re still largely unknown to science. Nick Porch, Author provided Which animals are...

Clicks, bonks and dripping taps: listen to the calls of 6 frogs out and about this summer

 The banjo frog, Limnodynastes dumerilii Jodi Rowley, Author provided Frog calls are iconic sounds of summer in Australia. There are more than 240 species native to Australia, almost all...

Are there ‘male’ and ‘female’ brains? Computers can see a distinction, but they rely strongly on differences in head size

Image: Shuttlestock How useful are the well-known and hotly contested categories of “male brain” and “female brain”? Among experts, nobody really questions that anatomical sex...

Tick, tock… how stress speeds up your chromosomes’ ageing clock

Ageing is an inevitability for all living organisms, and although we still don’t know exactly why our bodies gradually grow ever more decrepit,...

A virus is attacking koalas’ genes. But their DNA is fighting back

A viral invasion is revealing how the genome has its own ommune system to fight off attacks. Currumbin Wildlife Sanctuary, Author provided (No reuse) A virus...

‘Gay gene’ search reveals not one but many – and no way to predict sexuality

The biology of same-sex attraction seems to involve a host of genes. Dewald Kirsten/Shutterstock It has long been clear that a person’s sexual preference –...
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