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March 26, 2026, 12:37 PM - 5 min read
Cacti are icons of slow growth. A towering saguaro may take a decade to reach an inch tall and the psychedelic peyote takes decades to mature. Yet the cactus family is one of the fastest-evolving plant groups on Earth. Over the past 20 to 35 million years, around 1,850 cacti species have come into existence. Although this sounds slow, in geological time it is the blink of an eye.
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March 2, 2026, 12:51 PM - 6 min read
There are upsides to this modern soundscape. In busy workplaces or homes, shaping the auditory environment can restore a sense of control and reduce disturbance – especially from intelligible speech. What we listen to can be a key tool for emotional self-regulation.
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February 25, 2026, 02:27 PM - 6 min read
This species was once abundant along the coasts of South Africa and Namibia. But the population has fallen by about 78 per cent over the last 30 years.
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February 11, 2026, 12:44 PM - 6 min read
The story of the Green River shows that processes deep within the Earth can have profound impacts for life on the surface.
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February 6, 2026, 01:25 PM - 6 min read
Claims that de-extinction can reverse extinction are misleading. Genetic engineering can introduce lost traits from an extinct species into a closely related living species and restore lost ecological functions, but it can’t re-create the extinct species. Problems arise when companies present these limits cautiously within the scientific community but make stronger claims in public-facing communication.
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January 29, 2026, 04:25 PM - 6 min read
Shark teeth are also disposable—they are constantly replaced throughout their lives, like a conveyor belt pushing a new tooth forward roughly every few weeks.
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January 26, 2026, 02:31 PM - 5 min read
A new study demonstrates the stones did not arrive through natural ice movement.
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January 21, 2026, 03:55 PM - 5 min read
Frogs are one of the most threatened groups of animals on the planet. One in five species of Australian frogs—almost 50 species—are threatened with extinction. Disease, habitat loss and climate change are their greatest threats.
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December 23, 2025, 01:00 PM - 6 min read
Rebuilding shellfish reefs won’t fix it — but alongside catchment management, seagrass restoration, fisheries management and improved monitoring and climate action, it is a powerful tool.
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November 27, 2025, 01:32 PM - 5 min read
Dogs aren’t stockpiling their food due to anxiety about impending disaster. Instead, they’re revealing how their evolutionary past still shapes modern behaviours.
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November 9, 2025, 01:30 PM - 4 min read
In a new study, researchers quantified the energy cost of pumping blood for a typical adult giraffe and compared it to what it would be in an imaginary animal with short legs but a longer neck to reach the same treetop height.
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November 7, 2025, 03:40 PM - 6 min read
Sex differences in brain gene activity appear early in the development of the foetus, long before puberty or even the formation of testes and ovaries.
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