Would you take this new blood test that can screen for Alzheimer’s?; Friends share more than interests, their brains are similar too; Canadian beetles are shrinking because of climate change; and more

Quirks and Quarks

Would you take this new blood test that can screen for Alzheimer’s?; Friends share more than interests, their brains are similar too; Are junk clearing lasers the first step towards weaponizing space?; Canadian beetles are shrinking because of climate change; ‘There is a lot of tension’: why efforts to monitor Ontario wolves face opposition; Why do some non-evergreens keep their leaves in winter?

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