This week鈥檚 new questions
If there are other universes, would our universe feel their gravity? And why do our hands shake when we are nervous?
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How long is 鈥榥ow鈥�, the gap between the past and the future?
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Can you get triple or quadruple rainbows? (continued)
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If plants communicate via their roots, do they get lonely in pots?
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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?
Birds can fly at tens of thousands of metres high. Ice forms on the wings of planes at this altitude, so why don鈥檛 the birds freeze?
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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?
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What makes some people short-sighted and others long-sighted? (cont.)
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