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  • Article

Drops of water

In the compulsory isolation of lockdown, Daisy Lafarge’s repeated visits – via a new microscope – to the miniature worlds contained by drops of pond water provided her with the company and escapism she craved.

  • 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

Virtual reality and the fix of the future

Virtual reality, with its complex sensory tricks, takes us beyond the real world. Find out how these potentially addictive experiences can harm us – or might even have therapeutic uses.

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Images

  • Volvox (colonial freshwater alga) SEM
  • Volvox (colonial freshwater alga) SEM, 3D
  • A fern, a moss, a fungus and an alga: all with anatomical details. Coloured etching by J. Pass, c. 1799.
  • Blue-green algae
  • Blue-green algae
  • Blue-green algae with nitrogen fixing cells
  • Aquatic algae with a water beetle and its abdominal segments. Coloured etching, c. 1830.
  • A green algae (Ulva diaphana): leaf-like thallus and section of stipe. Coloured engraving after J. Sowerby, 1795.
  • A mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853.
  • Chlamydomonas is a type of green algae made up of unicellular flagellates. This type of algae is found in stagnant water, on damp soil, in freshwater and in seawater. It has sometimes also been found in snow. It is frenquently used as a model organism in molecular biology
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