Forest fire hot spots where treatment offers the biggest payoff for people and climate

Forest fire hot spots where treatment offers the biggest payoff for people and climate

Credit: The Conversation The U.S. government is investing over US$7 billion in the coming years to try to manage the nation’s escalating wildfire crisis. That includes a commitment to treat at least 60 million acres in the next 10 years by expanding forest-thinning efforts and controlled burns. While that sounds like a lot—60 million acres …

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How did plants first evolve into all different shapes and sizes? We mapped a billion years of plant history to find out

How did plants first evolve into all different shapes and sizes? We mapped a billion years of plant history to find out

From minuscule moss to colourful flowers and tall trees. Credit: Philip Donoghue / James Clark Plants range from simple seaweeds and single-celled pond scum, through to mosses, ferns and huge trees. Paleontologists like us have long debated exactly how this diverse range of shapes and sizes emerged, and whether plants emerged from algae into multicellular …

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How seismic surveys can harm marine life

How seismic surveys can harm marine life

Credit: jamesteohart, Shutterstock Woodside Energy this week announced it would start seismic testing for its Scarborough gas project off Australia’s west coast, before reversing the decision in the face of a legal challenge from Traditional Owners. Seismic testing is highly controversial in marine environments. The federal regulator (the National Offshore Petroleum Safety and Environmental Management …

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The secret life of brain worms

The secret life of brain worms

Dr Dave Spratt is a retired CSIRO scientist who spent his career working with the parasites of Australian wildlife. Credit: CSIRO A neurosurgeon in Canberra removed a nematode that was living inside a person’s brain in 2022. With 50 years of experience, retired CSIRO parasitologist Dr. Dave Spratt was instantly able to identify the species …

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How to make color-changing ‘Transformers’ with polymers

How to make color-changing ‘Transformers’ with polymers

Credit: Pei Zhang Shape and color changing are key survival traits for many animals. Chameleons can change their body to hide from predators, to reflect their moods, or even to defend their territory, while some soft-bodied animal-like octopuses, squids, and cuttlefish can change both their color and shape to signal or camouflage. Mimicking these capabilities …

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A step closer to protecting endangered wildlife

A step closer to protecting endangered wildlife

A burrowing bettong in the cat-free fenced area of Newhaven Wildlife Sanctuary where it has been reintroduced. Cats drove this species to extinction on the mainland. Credit: Brad Leue/Australian Wildlife Conservancy, CC BY Federal Environment Minister Tanya Plibersek has released a draft feral cat management plan. Its aim is to reduce the devastating impact of …

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