Technology
How to make a remote-controlled pest-proof bird feeder
The first part of a two-stage project to make a bird feeder that you can open and close at will, keeping out unwanted guests and letting birds eat in peace
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A road made of solar panels seemed like a good idea. Now it’s broken
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What is the carbon payback period for a wind turbine?
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How can a tree reabsorb its own branch?
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This week鈥檚 new questions
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Mind
What makes us addicts? Judith Grisel is determined to find out
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Space
How a Soviet space station became a symbol of space cooperation
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Earth
Inside the powerful fire clouds that pack a volcanic punch
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How much do you know about the world?
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Technology
Make a weather station with BBC micro:bits and a sensor
Get up-to-the-minute weather reports by turning an environmental sensor and two BBC micro:bits into a mini weather station
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The ‘sexy’ lichen that puts lead in your pencil, but not in a good way
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How does water hydrate us?
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Why do dogs and horses roll on their backs when happy?
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This week鈥檚 new questions
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