This week I learned that crows make up after fights, and more

Read more about the facts mentioned:

After crows fight they touch and preen each other to make up (New Scientist)
This is why the Vatican is using milk to paint its walls (Architectural Digest)
The day Iceland’s women went on strike (BBC)
Mountain climbing can actually cause psychosis, and we don’t know why (Science Alert)
…read more

Source:: The Week – Science

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