Uncategorized
- Animals
The mere sight of illness may kick-start a canary’s immune system
Healthy canaries ramp up their immune systems when exposed to visibly sick birds, without actually being infected themselves.
- Physics
Auroras form when electrons from space ride waves in Earth’s magnetic field
New lab results confirm that auroras are triggered by disturbances in Earth’s magnetic field called Alfvén waves.
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50 years ago, NASA relaxed quarantine rules for returning moon missions
Fifty years after NASA declared that moon missions returning to Earth weren’t a contamination risk, protocols for planetary missions are under review.
- Health & Medicine
FDA approved a new Alzheimer’s drug despite controversy over whether it works
A new Alzheimer's treatment slows progression of the disease, the drug’s developers say.
