This week鈥檚 new questions
Why do trees not rot in the ground, while wooden structures do if they are not built properly? And if humans needed to hibernate, how would civilisation have developed?
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Comment
A first nomination for the 2025 Reverse Nominative Determinism award
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Tom Gauld on the best look for space
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Twisteddoodles on unusual scientific acronyms
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Health
Visualising a virus: How our covers captured an unfolding crisis
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Mathematics
This mathematical trick lets you work out the weekday of any date
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If we ever find life on other worlds, will it be based on DNA?
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Why do our nostrils point down, not straight out from our faces?
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Could flatulence-inducing food give a runner jet propulsion?
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This week鈥檚 new questions
There are good and bad bacteria, but are there any good viruses? And what would happen if all viruses suddenly disappeared? And should we be thinking about genetic modifications for the humans that we send to colonise Mars?
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A New Year鈥檚 resolution nightmare and strange lights in the night sky
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Tom Gauld on making new year’s resolutions 鈥� or not
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Twisteddoodles on an ill-advised new year’s detox
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Earth
Remarkable images capture the diversity of Earth’s ice formations
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