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Why Does Hair Change as You Age?Your hair might have gone from straight to curly, but scientists can't quite answer why.
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Leech Eggs Need Love, TooHow a newly identified species of the North American leech, Placobdella kwetlumye plays the role of a parent.
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Itsy Bitsy, Teensy Weensy, Polka-Dotted … BugsThese sap-sucking plant bugs are picky about their hosts.
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A Funky Frog from an Island ParadiseThe colorful horned frog is unique to the Solomon Islands.
