New research suggests that birds have a secret weapon that helps their internal compass.
In two studies, one published last week in the Journal of the Royal Society Interface and the other published in January in Current Biology, scientists have identified a special protein in birds' eyes that may help them to "see" the magnetic field of the Earth as they fly.
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Inside the house of AssadThe Explainer Bashar al-Assad and his father, Hafez, ruled Syria for more than half a century but how did one family achieve and maintain power?
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