What would it look like if dark matter fell into a black hole?
What would we observe if dark matter 鈥� the mysterious, invisible stuff that far outnumbers the normal matter we can see 鈥� was swallowed by a black hole?
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This week鈥檚 new questions
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Why you should be cautious about clothing yourself in photons
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Life
Superstrong sea sponge could help build better spacecraft
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How did people in the Arctic get vitamin D with little or no sunlight?
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This week’s questions
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Are tandems really more efficient than regular bikes? (continued)
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Tom Gauld’s highly classified avian speech generator project gets out
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Twisteddoodles on following a food source on Instagram
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Environment
How to use plants to turn your home into a green building
Planting climbers like ivy can cover ugly walls, insulate your home and support local wildlife 鈥� and keeping it under control is easier than you would think, writes Clare Wilson
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Environment
Wildfire nightmare captured in harrowing image of California burning
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Life
The weird and wacky science that won Ig Nobel prizes this year
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Deep-sea hydrothermal vents team with life. How are they colonised?
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Why do waves always appear to roll towards a beach, not the other way?
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