If plants communicate via their roots, do they get lonely in pots?
What are plants missing out on when they are isolated from others? Not necessarily very much, according to a new response
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This week鈥檚 new questions
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Why are tree leaves so many different shades of (mainly) green?
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Can satellites have satellites that have satellites?
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Why do cabbages exist when their shape prevents photosynthesis?
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This week鈥檚 new questions
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Why don鈥檛 high-flying birds freeze in the frigid temperatures?
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Do we perceive colours around us differently to others?
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This week鈥檚 new questions
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Has the doubling of the human population increased Earth鈥檚 mass?
In the past 50 years, the number of humans on Earth has doubled to nearly 8 billion, so has the mass of our planet and everything on it increased? Readers respond
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What makes some people short-sighted and others long-sighted? (cont.)
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What difference does the timing of meals over the day make?
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This week鈥檚 new questions
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What happens to the information in my brain when I die?
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