As a grad student, Ari Daniel Shapiro has to tag some narwhals to collect data. The problem: it's in the arctic, the devices have never been tested, and if he fails he'll never be able to do research again.
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A science writer is challenged when her dog comes down with a case of heartworm -- and then the medication goes wrong.
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Rory Scholl has to show up on day one to a new job -- with a severe case of Bell's Palsy.
Read MoreChristine Gentry: Four lessons from my dad
Christine Gentry's rural, Vietnam vet father rarely talked about important issues, but a series of remarkable moments with animals and nature teach her four lessons she'll never forget.
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