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Keeping track of time
The way we measure time is influenced by our culture and religion.
  • mathematics
  • lifestyle
  • astronomy
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How a battery works
How do batteries power our phones, computers and other devices?
  • lifestyle
  • engineering
  • energy
  • chemistry
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The physics of speeding cars
Driving even a few kilometres per hour above the speed limit greatly increases the risk of an accident.
  • mathematics
  • physics
  • lifestyle
  • transport
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The chemistry of cosmetics
Cosmetic ingredients can be natural or artificial, but what's important depends on the chemicals they're made of.
  • lifestyle
  • health
  • chemistry
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Build it up—making the perfect sandcastle
There is real skill involved in making the perfect sandcastle ... and also real science.
  • water
  • lifestyle
  • engineering
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Drugs in sport
Catching drug cheats helps to keep sports on a level playing field—and avoid potentially serious health effects.
  • medicine
  • lifestyle
  • health
view topic arrow People