Science

Visitor’s guide to . . . the human microbiome

Tens of thousands of species of bacteria colonise your body. Here is a visitor’s guide to . . . the human microbiome....

Build a spectrometer: see the light

It takes just a few hours and no more than a couple of hundred rand to build your own spectrometer...

Record-setting asteroid flyby past Earth on 15 February

On 15 February, an asteroid about half the size of a football field will fly past Earth only 27 681 kilometres above our planet's surface...

Titan gets a dune “makeover”

While most of Saturn's moons display their ancient faces pockmarked by thousands of craters, Titan – Saturn's largest moon – may look much younger than...

A microquasar makes a giant manatee nebula

A new view of a 20 000-year old supernova remnant provides more clues to the history of this giant cloud that resembles a beloved endangered...

Cosmic photo album: Somewhere out there

Just in case you had begun to suspect that we humans were important, or been tempted to regard our planet as rather special in the...

BODY WORLDS & The Cycle of Life – exhibiting real human bodies in Cape Town

The BODY WORLDS & The Cycle of Life exhibition in Cape Town shows the complexity, resilience and vulnerability of the human body through anatomical studies...

How to stop leaks — the way blood does

Harnessing the principle that allows blood to clot, MIT researchers are working on new synthetic materials to plug holes...

Answering ET’s call

Answering ET’s call

Tapping into SETI’s 42-dish telescope array to search for aliens. By Madeline Bodin Through a radio telescope, a signal from an alien 
civilisation would probably...

Svalbard Global Seed Vault: seeding our future

A global "bank vault" secures tomorrow's biodiversity - and food...

The PopMech AreoDream

The PopMech AreoDream

We built the ultimate fantasy plane by choosing parts from different aircraft to create a Light-Sport Aircraft, the PopMech AeroDream....

Hydrogen breakthrough: using solar power to split water

Back in 1998, John Turner of the US Department of Energy’s National Renewable Energy Laboratory (NREL) demonstrated that he could use sunlight to extract hydrogen...

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