Every living being must cope with a changing world—summer gives way to winter, one year it floods and the next is a drought.
Why did humans evolve the eyes we have today? While scientists can't go back in time to study the environmental pressures ...
Morning Overview on MSN
A fever-proof bird flu variant could fuel the next pandemic
Bird flu has always worried pandemic planners, but a new twist is raising the stakes: scientists are now tracking variants ...
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