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Your science questions

Our expert gets to the heart of the matter
  • Your science questions answered

    From explaining why you can see through a pane of glass but not a sheet of paper to the mystery of invisible ink
  • black holes

    From dyed shirts to dense matter – your science questions answered

    Understanding how ‘colour catchers’ can stop your whites going pink in the wash, why gravity is actually part of space-time and how you can have a nice cup of tea and a sit down without worrying about the caffeine
  • pool

    From the speed of light to whiter shirts: your science questions answered

    Why it is not possible to break the speed of light; how movement on water surface leads to dark shadows on a pool floor; what stage of development insect pupal stage represents; and how shirts end up whiter than white
  • Easy peeling is due to enzymes that ripen banana skins as well as flesh.

    From dust-free bottles to easy-peeling bananas: your science questions answered

    Why shampoo bottles don't get dusty and seemingly random events can be explained by probability laws

  • Geese migrating in the US state of Illinois.

    Your science questions answered

    Why cups of coffee sing a deeper song the more you tap them and whether birds file a flight plan before takeoff

  • Tobacco being harvested

    Your science questions answered

    How two-in-one shampoos work, the genes that we share with trees, and the link between polonium and cancer from cigarettes, writes Nicola Davis

  • Jersey cow

    Parallel universes, milk and evolution: your science questions answered

    Why milk is a good source of calcium; whether parallel universes are 'far out' or should be taken seriously; wondering if modern society has stopped human evolution in its tracks; and why plastic ducks float. Nicola Davis answers your science questions

  • Dead Sea

    From moonlight to the microwave: your science questions answered

    That's not a silvery mirror in the night sky, and there's a reason why the sea isn't even saltier. Plus, can soaking in hot bath affect fertility, and how spinning electrons cook your dinner
  • Cycling into a headwind

    From tides to the colour of spinach: your science questions answered

    Why some places have only one high tide a day and what makes cooked spinach lose its green colour. Plus the particular frustration of cycling into a headwind and the parsimonious nature of phosphorescence

  • Discarded plastic water bottles

    Your science questions answered

    Our royals may not have blue blood, but some creatures do and here's why. Plus what makes Pernod goes cloudy when you add water?

  • Skull of Richard III

    Your science questions answered

    Learn why lobsters are red when served up, how coffee is decaffeinated – and what usefully halves every 5,730 years

  • Woman cleaning window

    Your science questions answered

    Intrigued by life's mysteries, Tech Monthly readers know this is the place to find the solutions. Read on to learn how windows clean themselves, albatrosses stay hydrated – and why certain body parts are in pairs

  • Great White Shark Opening Mouth

    Your science questions answered

    Tech Monthly followers have sent in the scientific conundrums that have been keeping them up at night. Here, we answer some of their most baffling questions from snoring dogs to colour-changing thermometers

  • The Earth from space

    Your science questions answered

    Tech Monthly followers have sent in the scientific conundrums that have been keeping them up at night. Here, we answer some of their most baffling questions

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