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  • Article

What is air, and how do we know?

Watching bubbles in fermenting beer led 18th-century scientist Joseph Priestley to invent sparkling water – and to discover that different gases make up the air we breathe.

  • Article

The Martians are coming

For over a hundred years, antagonistic alien invaders have been a popular focus for the imagined end of the world. But the destructive consequences of human behaviour is far more frightening.

  • Article

Bubbles of history

Since the 1960s, scientists have been able to study the air from past centuries by analysing particles in Arctic ice samples. But as the polar ice melts, the future of this research is changing.

  • Article

Demanding a diagnosis for invisible pain

After dozens of hospital visits and handfuls of painkillers, a plethora of scans and tests bring diagnosis closer for Jaipreet Virdi.

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Images

  • Chloroplasts are found in the cells of plants that conduct photosynthesis. They absorb sunlight and use it along with water and carbon dioxide gas (CO2) to produce food for the plant.
  • Mouse umbilical cord
  • Mouse umbilical cord
  • Haemoglobin
  • Diatom siliceous skeleton, Melosira
  • Partners in crime - chloroplasts and mitochondria
  • Partners in crime - chloroplasts and mitochondria
  • Power Plant
  • Puppy and zonal placenta, canine
  • Feverfew stoma
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Catalogue

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