Health & Medicine
A bizarre video of eyeballs confirms our pupils shrink with age
Pupil size can decrease up to 0.4 millimeters per decade, hinting at why it can be increasingly harder for people to see in dim light as they age.
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Can leeches leap? New video may help answer that debate
For some, it’s the stuff of nightmares. But a grad student’s serendipitous cell phone video might resolve a long-running debate over leech acrobatics.
