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Searched Tag: evolution
Can African penguins be brought back from the brink?

Can African penguins be brought back from the brink?

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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Deep-earth ‘drip’ solves 150-year-old river mystery

Deep-earth ‘drip’ solves 150-year-old river mystery

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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Does the hope of ‘resurrection’ make extinction acceptable?

Does the hope of ‘resurrection’ make extinction acceptable?

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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Great white sharks morph into ‘bone-slicers’ as they mature

Great white sharks morph into ‘bone-slicers’ as they mature

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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Sand grains solve Stonehenge mystery

Sand grains solve Stonehenge mystery

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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Private land found to be crucial refuge for rare frogs

Private land found to be crucial refuge for rare frogs

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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Eat oysters, save reefs

Eat oysters, save reefs

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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Your dog isn't prepping for the apocalypse

Your dog isn't prepping for the apocalypse

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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The long legs and neck of giraffes decoded

The long legs and neck of giraffes decoded

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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Male and female brains show different gene activity

Male and female brains show different gene activity

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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Evolution of humans: Volcanoes tell the story

Evolution of humans: Volcanoes tell the story

September 22, 2025, 02:10 PM - 7 min read

Volcanic eruptions are excellent timekeepers because they happen very quickly, geologically speaking. As hot magma erupts, it cools and solidifies into volcanic ash particles and pumice rocks.

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Sharks freeze when upside down, and there’s no good reason why

Sharks freeze when upside down, and there’s no good reason why

June 25, 2025, 04:15 PM - 5 min read

For some animals, this freeze response – called “tonic immobility” – can be a lifesaver. Possums famously “play dead” to avoid predators. So do rabbits, lizards, snakes, and even some insects.

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